Detailed information: The input equation set is:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | A | + | | E | + | | I | + | | M | = | | | 1147 10 | | (5) |
| | | B | + | | F | + | | J | + | | N | = | | | 1017 10 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | | A | + | | F | + | | K | + | | P | = | | | 1247 10 | | (9) |
| | | B | + | | E | + | | L | + | | P | = | | | 1047 10 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | | A | + | | G | + | | L | + | | N | = | | | 1077 10 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
| Question solving process:
Subtract both sides of equation (1) from both sides of equation (5) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (5) |
| | | B | + | | F | + | | J | + | | N | = | | | 1017 10 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | | A | + | | F | + | | K | + | | P | = | | | 1247 10 | | (9) |
| | | B | + | | E | + | | L | + | | P | = | | | 1047 10 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | | A | + | | G | + | | L | + | | N | = | | | 1077 10 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Subtract both sides of equation (1) from both sides of equation (9) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (5) |
| | | B | + | | F | + | | J | + | | N | = | | | 1017 10 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | B | | -1 | C | | -1 | D | + | | F | + | | K | + | | P | = | | | 377 25 | | (9) |
| | | B | + | | E | + | | L | + | | P | = | | | 1047 10 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | | A | + | | G | + | | L | + | | N | = | | | 1077 10 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Subtract both sides of equation (1) from both sides of equation (13) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (5) |
| | | B | + | | F | + | | J | + | | N | = | | | 1017 10 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | B | | -1 | C | | -1 | D | + | | F | + | | K | + | | P | = | | | 377 25 | | (9) |
| | | B | + | | E | + | | L | + | | P | = | | | 1047 10 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | B | | -1 | C | | -1 | D | + | | G | + | | L | + | | N | = | | - | 48 25 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
交After the exchange of equation (2) and equation (5), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | B | + | | F | + | | J | + | | N | = | | | 1017 10 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | B | | -1 | C | | -1 | D | + | | F | + | | K | + | | P | = | | | 377 25 | | (9) |
| | | B | + | | E | + | | L | + | | P | = | | | 1047 10 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | B | | -1 | C | | -1 | D | + | | G | + | | L | + | | N | = | | - | 48 25 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (2) to both sides of equation (6) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | B | | -1 | C | | -1 | D | + | | F | + | | K | + | | P | = | | | 377 25 | | (9) |
| | | B | + | | E | + | | L | + | | P | = | | | 1047 10 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | B | | -1 | C | | -1 | D | + | | G | + | | L | + | | N | = | | - | 48 25 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Subtract both sides of equation (2) from both sides of equation (9) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | B | + | | E | + | | L | + | | P | = | | | 1047 10 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | B | | -1 | C | | -1 | D | + | | G | + | | L | + | | N | = | | - | 48 25 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (2) to both sides of equation (10) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | -1 | C | | -1 | D | + | | 2 | E | + | | I | + | | L | + | | M | + | | P | = | | | 5489 50 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | B | | -1 | C | | -1 | D | + | | G | + | | L | + | | N | = | | - | 48 25 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Subtract both sides of equation (2) from both sides of equation (13) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | -1 | C | | -1 | D | + | | 2 | E | + | | I | + | | L | + | | M | + | | P | = | | | 5489 50 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | | B | + | | H | + | | K | + | | M | = | | | 1147 10 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (2) to both sides of equation (14) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | -1 | C | | -1 | D | + | | 2 | E | + | | I | + | | L | + | | M | + | | P | = | | | 5489 50 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | C | | -1 | D | + | | E | + | | H | + | | I | + | | K | + | | 2 | M | = | | | 5989 50 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
交After the exchange of equation (3) and equation (6), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | C | + | | G | + | | K | + | | O | = | | | 1057 10 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | -1 | C | | -1 | D | + | | 2 | E | + | | I | + | | L | + | | M | + | | P | = | | | 5489 50 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | C | | -1 | D | + | | E | + | | H | + | | I | + | | K | + | | 2 | M | = | | | 5989 50 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (3) to both sides of equation (7) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | -1 | C | | -1 | D | + | | 2 | E | + | | I | + | | L | + | | M | + | | P | = | | | 5489 50 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | C | | -1 | D | + | | E | + | | H | + | | I | + | | K | + | | 2 | M | = | | | 5989 50 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Subtract both sides of equation (3) from both sides of equation (10) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | | C | + | | H | + | | I | + | | N | = | | | 867 10 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | C | | -1 | D | + | | E | + | | H | + | | I | + | | K | + | | 2 | M | = | | | 5989 50 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (3) to both sides of equation (11) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | D | + | | E | + | | F | + | | H | + | | 2 | I | + | | J | + | | M | + | | 2 | N | = | | | 4837 25 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | C | | -1 | D | + | | E | + | | H | + | | I | + | | K | + | | 2 | M | = | | | 5989 50 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Subtract both sides of equation (3) from both sides of equation (14) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | D | + | | E | + | | F | + | | H | + | | 2 | I | + | | J | + | | M | + | | 2 | N | = | | | 4837 25 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | | C | + | | E | + | | J | + | | P | = | | | 1057 10 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (3) to both sides of equation (15) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | D | + | | E | + | | F | + | | H | + | | 2 | I | + | | J | + | | M | + | | 2 | N | = | | | 4837 25 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | D | + | | 2 | E | + | | F | + | | I | + | | 2 | J | + | | M | + | | N | + | | P | = | | | 5312 25 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
交After the exchange of equation (4) and equation (7), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | D | + | | H | + | | L | + | | P | = | | | 1097 10 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | D | + | | E | + | | F | + | | H | + | | 2 | I | + | | J | + | | M | + | | 2 | N | = | | | 4837 25 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | D | + | | 2 | E | + | | F | + | | I | + | | 2 | J | + | | M | + | | N | + | | P | = | | | 5312 25 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (4) to both sides of equation (8) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | E | + | | F | + | | G | + | | H | + | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 16109 50 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | D | + | | E | + | | F | + | | H | + | | 2 | I | + | | J | + | | M | + | | 2 | N | = | | | 4837 25 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | D | + | | 2 | E | + | | F | + | | I | + | | 2 | J | + | | M | + | | N | + | | P | = | | | 5312 25 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Subtract both sides of equation (4) from both sides of equation (11) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | E | + | | F | + | | G | + | | H | + | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 16109 50 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | D | + | | G | + | | J | + | | M | = | | | 1157 10 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | D | + | | 2 | E | + | | F | + | | I | + | | 2 | J | + | | M | + | | N | + | | P | = | | | 5312 25 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (4) to both sides of equation (12) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | E | + | | F | + | | G | + | | H | + | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 16109 50 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | E | + | | F | + | | 2 | G | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 16409 50 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | D | + | | 2 | E | + | | F | + | | I | + | | 2 | J | + | | M | + | | N | + | | P | = | | | 5312 25 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Subtract both sides of equation (4) from both sides of equation (15) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | E | + | | F | + | | G | + | | H | + | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 16109 50 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | E | + | | F | + | | 2 | G | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 16409 50 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | | E | | -1 | G | + | | J | | -1 | K | | -1 | O | + | | P | = | | 0 | | (15) |
| | | D | + | | F | + | | I | + | | O | = | | | 1047 10 | | (16) |
|
Add both sides of equation (4) to both sides of equation (16) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | E | + | | F | + | | G | + | | H | + | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 16109 50 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | E | + | | F | + | | 2 | G | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 16409 50 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | | E | | -1 | G | + | | J | | -1 | K | | -1 | O | + | | P | = | | 0 | | (15) |
| | | E | + | | 2 | F | + | | G | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 15859 50 | | (16) |
|
Subtract both sides of equation (5) from both sides of equation (8) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | -1 | E | + | | F | | -1 | I | + | | K | | -1 | M | + | | P | = | | 10 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | E | + | | F | + | | 2 | G | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 16409 50 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | | E | | -1 | G | + | | J | | -1 | K | | -1 | O | + | | P | = | | 0 | | (15) |
| | | E | + | | 2 | F | + | | G | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 15859 50 | | (16) |
|
Add both sides of equation (5) to both sides of equation (9) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (9) |
| | | E | | -1 | F | | -1 | J | + | | L | | -1 | N | + | | P | = | | 3 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | E | + | | F | + | | 2 | G | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 16409 50 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | | E | | -1 | G | + | | J | | -1 | K | | -1 | O | + | | P | = | | 0 | | (15) |
| | | E | + | | 2 | F | + | | G | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 15859 50 | | (16) |
|
Subtract both sides of equation (5) from both sides of equation (10) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (9) |
| | -2 | F | | -1 | G | | -1 | H | | -1 | J | + | | L | | -1 | N | + | | P | = | | - | 5391 50 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | E | + | | F | + | | 2 | G | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 16409 50 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | | E | | -1 | G | + | | J | | -1 | K | | -1 | O | + | | P | = | | 0 | | (15) |
| | | E | + | | 2 | F | + | | G | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 15859 50 | | (16) |
|
Subtract both sides of equation (5) from both sides of equation (12) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (9) |
| | -2 | F | | -1 | G | | -1 | H | | -1 | J | + | | L | | -1 | N | + | | P | = | | - | 5391 50 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | -1 | E | + | | G | | -1 | I | + | | L | | -1 | M | + | | N | = | | -7 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | | E | | -1 | G | + | | J | | -1 | K | | -1 | O | + | | P | = | | 0 | | (15) |
| | | E | + | | 2 | F | + | | G | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 15859 50 | | (16) |
|
Add both sides of equation (5) to both sides of equation (13) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (9) |
| | -2 | F | | -1 | G | | -1 | H | | -1 | J | + | | L | | -1 | N | + | | P | = | | - | 5391 50 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | F | + | | 2 | G | + | | H | | -1 | I | + | | L | | -1 | M | + | | N | = | | | 5191 50 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | | E | | -1 | G | + | | J | | -1 | K | | -1 | O | + | | P | = | | 0 | | (15) |
| | | E | + | | 2 | F | + | | G | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 15859 50 | | (16) |
|
Subtract both sides of equation (5) from both sides of equation (15) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (9) |
| | -2 | F | | -1 | G | | -1 | H | | -1 | J | + | | L | | -1 | N | + | | P | = | | - | 5391 50 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | F | + | | 2 | G | + | | H | | -1 | I | + | | L | | -1 | M | + | | N | = | | | 5191 50 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | F | | -2 | G | | -1 | H | + | | J | | -1 | K | | -1 | O | + | | P | = | | - | 5541 50 | | (15) |
| | | E | + | | 2 | F | + | | G | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 15859 50 | | (16) |
|
Subtract both sides of equation (5) from both sides of equation (16) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (9) |
| | -2 | F | | -1 | G | | -1 | H | | -1 | J | + | | L | | -1 | N | + | | P | = | | - | 5391 50 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | F | + | | 2 | G | + | | H | | -1 | I | + | | L | | -1 | M | + | | N | = | | | 5191 50 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | F | | -2 | G | | -1 | H | + | | J | | -1 | K | | -1 | O | + | | P | = | | - | 5541 50 | | (15) |
| | | F | | -1 | H | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 5159 25 | | (16) |
|
交After the exchange of equation (6) and equation (9), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -2 | F | | -1 | G | | -1 | H | | -1 | J | + | | L | | -1 | N | + | | P | = | | - | 5391 50 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | F | + | | 2 | G | + | | H | | -1 | I | + | | L | | -1 | M | + | | N | = | | | 5191 50 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | F | | -2 | G | | -1 | H | + | | J | | -1 | K | | -1 | O | + | | P | = | | - | 5541 50 | | (15) |
| | | F | | -1 | H | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 5159 25 | | (16) |
|
Add both sides of equation (6) to both sides of equation (10) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | F | + | | 2 | G | + | | H | | -1 | I | + | | L | | -1 | M | + | | N | = | | | 5191 50 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | F | | -2 | G | | -1 | H | + | | J | | -1 | K | | -1 | O | + | | P | = | | - | 5541 50 | | (15) |
| | | F | | -1 | H | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 5159 25 | | (16) |
|
Divide the two sides of equation (6) by 2, the equation can be obtained: | | | F | + | | | 1 2 | G | + | | | 1 2 | H | | - | 1 2 | I | + | | | 1 2 | K | | - | 1 2 | M | + | | | 1 2 | P | = | | | 6041 100 | (17) | , then subtract both sides of equation (17) from both sides of equation (13), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | | 3 2 | G | + | | | 1 2 | H | | - | 1 2 | I | | - | 1 2 | K | + | | L | | - | 1 2 | M | + | | N | | - | 1 2 | P | = | | | 4341 100 | | (13) |
| | -1 | F | + | | H | | -1 | J | + | | K | + | | M | | -1 | N | = | | 13 | | (14) |
| | -1 | F | | -2 | G | | -1 | H | + | | J | | -1 | K | | -1 | O | + | | P | = | | - | 5541 50 | | (15) |
| | | F | | -1 | H | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 5159 25 | | (16) |
|
Divide the two sides of equation (6) by 2, the equation can be obtained: | | | F | + | | | 1 2 | G | + | | | 1 2 | H | | - | 1 2 | I | + | | | 1 2 | K | | - | 1 2 | M | + | | | 1 2 | P | = | | | 6041 100 | (18) | , then add the two sides of equation (18) to both sides of equation (14), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | | 3 2 | G | + | | | 1 2 | H | | - | 1 2 | I | | - | 1 2 | K | + | | L | | - | 1 2 | M | + | | N | | - | 1 2 | P | = | | | 4341 100 | | (13) |
| | | | 1 2 | G | + | | | 3 2 | H | | - | 1 2 | I | | -1 | J | + | | | 3 2 | K | + | | | 1 2 | M | | -1 | N | + | | | 1 2 | P | = | | | 7341 100 | | (14) |
| | -1 | F | | -2 | G | | -1 | H | + | | J | | -1 | K | | -1 | O | + | | P | = | | - | 5541 50 | | (15) |
| | | F | | -1 | H | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 5159 25 | | (16) |
|
Divide the two sides of equation (6) by 2, the equation can be obtained: | | | F | + | | | 1 2 | G | + | | | 1 2 | H | | - | 1 2 | I | + | | | 1 2 | K | | - | 1 2 | M | + | | | 1 2 | P | = | | | 6041 100 | (19) | , then add the two sides of equation (19) to both sides of equation (15), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | | 3 2 | G | + | | | 1 2 | H | | - | 1 2 | I | | - | 1 2 | K | + | | L | | - | 1 2 | M | + | | N | | - | 1 2 | P | = | | | 4341 100 | | (13) |
| | | | 1 2 | G | + | | | 3 2 | H | | - | 1 2 | I | | -1 | J | + | | | 3 2 | K | + | | | 1 2 | M | | -1 | N | + | | | 1 2 | P | = | | | 7341 100 | | (14) |
| | - | 3 2 | G | | - | 1 2 | H | | - | 1 2 | I | + | | J | | - | 1 2 | K | | - | 1 2 | M | | -1 | O | + | | | 3 2 | P | = | | - | 5041 100 | | (15) |
| | | F | | -1 | H | + | | 2 | I | + | | J | + | | K | + | | M | + | | N | + | | 2 | O | = | | | 5159 25 | | (16) |
|
Divide the two sides of equation (6) by 2, the equation can be obtained: | | | F | + | | | 1 2 | G | + | | | 1 2 | H | | - | 1 2 | I | + | | | 1 2 | K | | - | 1 2 | M | + | | | 1 2 | P | = | | | 6041 100 | (20) | , then subtract both sides of equation (20) from both sides of equation (16), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | | 3 2 | G | + | | | 1 2 | H | | - | 1 2 | I | | - | 1 2 | K | + | | L | | - | 1 2 | M | + | | N | | - | 1 2 | P | = | | | 4341 100 | | (13) |
| | | | 1 2 | G | + | | | 3 2 | H | | - | 1 2 | I | | -1 | J | + | | | 3 2 | K | + | | | 1 2 | M | | -1 | N | + | | | 1 2 | P | = | | | 7341 100 | | (14) |
| | - | 3 2 | G | | - | 1 2 | H | | - | 1 2 | I | + | | J | | - | 1 2 | K | | - | 1 2 | M | | -1 | O | + | | | 3 2 | P | = | | - | 5041 100 | | (15) |
| | - | 1 2 | G | | - | 3 2 | H | + | | | 5 2 | I | + | | J | + | | | 1 2 | K | + | | | 3 2 | M | + | | N | + | | 2 | O | | - | 1 2 | P | = | | | 2919 20 | | (16) |
|
交After the exchange of equation (7) and equation (11), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | G | | -1 | H | + | | I | + | | 2 | J | + | | K | + | | 2 | M | + | | N | + | | O | = | | | 5434 25 | | (12) |
| | | | 3 2 | G | + | | | 1 2 | H | | - | 1 2 | I | | - | 1 2 | K | + | | L | | - | 1 2 | M | + | | N | | - | 1 2 | P | = | | | 4341 100 | | (13) |
| | | | 1 2 | G | + | | | 3 2 | H | | - | 1 2 | I | | -1 | J | + | | | 3 2 | K | + | | | 1 2 | M | | -1 | N | + | | | 1 2 | P | = | | | 7341 100 | | (14) |
| | - | 3 2 | G | | - | 1 2 | H | | - | 1 2 | I | + | | J | | - | 1 2 | K | | - | 1 2 | M | | -1 | O | + | | | 3 2 | P | = | | - | 5041 100 | | (15) |
| | - | 1 2 | G | | - | 3 2 | H | + | | | 5 2 | I | + | | J | + | | | 1 2 | K | + | | | 3 2 | M | + | | N | + | | 2 | O | | - | 1 2 | P | = | | | 2919 20 | | (16) |
|
Add both sides of equation (7) to both sides of equation (12) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | | 3 2 | G | + | | | 1 2 | H | | - | 1 2 | I | | - | 1 2 | K | + | | L | | - | 1 2 | M | + | | N | | - | 1 2 | P | = | | | 4341 100 | | (13) |
| | | | 1 2 | G | + | | | 3 2 | H | | - | 1 2 | I | | -1 | J | + | | | 3 2 | K | + | | | 1 2 | M | | -1 | N | + | | | 1 2 | P | = | | | 7341 100 | | (14) |
| | - | 3 2 | G | | - | 1 2 | H | | - | 1 2 | I | + | | J | | - | 1 2 | K | | - | 1 2 | M | | -1 | O | + | | | 3 2 | P | = | | - | 5041 100 | | (15) |
| | - | 1 2 | G | | - | 3 2 | H | + | | | 5 2 | I | + | | J | + | | | 1 2 | K | + | | | 3 2 | M | + | | N | + | | 2 | O | | - | 1 2 | P | = | | | 2919 20 | | (16) |
|
Multiply both sides of equation (7) by 3 Divide the two sides of equation (7) by 2, the equation can be obtained: | | - | 3 2 | G | + | | | 3 2 | H | + | | | 3 2 | I | | - | 3 2 | K | + | | | 3 2 | N | | - | 3 2 | O | = | | - | 57 2 | (21) | , then add the two sides of equation (21) to both sides of equation (13), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (13) |
| | | | 1 2 | G | + | | | 3 2 | H | | - | 1 2 | I | | -1 | J | + | | | 3 2 | K | + | | | 1 2 | M | | -1 | N | + | | | 1 2 | P | = | | | 7341 100 | | (14) |
| | - | 3 2 | G | | - | 1 2 | H | | - | 1 2 | I | + | | J | | - | 1 2 | K | | - | 1 2 | M | | -1 | O | + | | | 3 2 | P | = | | - | 5041 100 | | (15) |
| | - | 1 2 | G | | - | 3 2 | H | + | | | 5 2 | I | + | | J | + | | | 1 2 | K | + | | | 3 2 | M | + | | N | + | | 2 | O | | - | 1 2 | P | = | | | 2919 20 | | (16) |
|
Divide the two sides of equation (7) by 2, the equation can be obtained: | | - | 1 2 | G | + | | | 1 2 | H | + | | | 1 2 | I | | - | 1 2 | K | + | | | 1 2 | N | | - | 1 2 | O | = | | - | 19 2 | (22) | , then add the two sides of equation (22) to both sides of equation (14), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (13) |
| | | 2 | H | | -1 | J | + | | K | + | | | 1 2 | M | | - | 1 2 | N | | - | 1 2 | O | + | | | 1 2 | P | = | | | 6391 100 | | (14) |
| | - | 3 2 | G | | - | 1 2 | H | | - | 1 2 | I | + | | J | | - | 1 2 | K | | - | 1 2 | M | | -1 | O | + | | | 3 2 | P | = | | - | 5041 100 | | (15) |
| | - | 1 2 | G | | - | 3 2 | H | + | | | 5 2 | I | + | | J | + | | | 1 2 | K | + | | | 3 2 | M | + | | N | + | | 2 | O | | - | 1 2 | P | = | | | 2919 20 | | (16) |
|
Multiply both sides of equation (7) by 3 Divide the two sides of equation (7) by 2, the equation can be obtained: | | - | 3 2 | G | + | | | 3 2 | H | + | | | 3 2 | I | | - | 3 2 | K | + | | | 3 2 | N | | - | 3 2 | O | = | | - | 57 2 | (23) | , then subtract both sides of equation (23) from both sides of equation (15), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (13) |
| | | 2 | H | | -1 | J | + | | K | + | | | 1 2 | M | | - | 1 2 | N | | - | 1 2 | O | + | | | 1 2 | P | = | | | 6391 100 | | (14) |
| | -2 | H | | -2 | I | + | | J | + | | K | | - | 1 2 | M | | - | 3 2 | N | + | | | 1 2 | O | + | | | 3 2 | P | = | | - | 2191 100 | | (15) |
| | - | 1 2 | G | | - | 3 2 | H | + | | | 5 2 | I | + | | J | + | | | 1 2 | K | + | | | 3 2 | M | + | | N | + | | 2 | O | | - | 1 2 | P | = | | | 2919 20 | | (16) |
|
Divide the two sides of equation (7) by 2, the equation can be obtained: | | - | 1 2 | G | + | | | 1 2 | H | + | | | 1 2 | I | | - | 1 2 | K | + | | | 1 2 | N | | - | 1 2 | O | = | | - | 19 2 | (24) | , then subtract both sides of equation (24) from both sides of equation (16), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (13) |
| | | 2 | H | | -1 | J | + | | K | + | | | 1 2 | M | | - | 1 2 | N | | - | 1 2 | O | + | | | 1 2 | P | = | | | 6391 100 | | (14) |
| | -2 | H | | -2 | I | + | | J | + | | K | | - | 1 2 | M | | - | 3 2 | N | + | | | 1 2 | O | + | | | 3 2 | P | = | | - | 2191 100 | | (15) |
| | -2 | H | + | | 2 | I | + | | J | + | | K | + | | | 3 2 | M | + | | | 1 2 | N | + | | | 5 2 | O | | - | 1 2 | P | = | | | 3109 20 | | (16) |
|
交After the exchange of equation (8) and equation (13), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (13) |
| | | 2 | H | | -1 | J | + | | K | + | | | 1 2 | M | | - | 1 2 | N | | - | 1 2 | O | + | | | 1 2 | P | = | | | 6391 100 | | (14) |
| | -2 | H | | -2 | I | + | | J | + | | K | | - | 1 2 | M | | - | 3 2 | N | + | | | 1 2 | O | + | | | 3 2 | P | = | | - | 2191 100 | | (15) |
| | -2 | H | + | | 2 | I | + | | J | + | | K | + | | | 3 2 | M | + | | | 1 2 | N | + | | | 5 2 | O | | - | 1 2 | P | = | | | 3109 20 | | (16) |
|
Subtract both sides of equation (8) from both sides of equation (14) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (13) |
| | -1 | I | | -1 | J | + | | 3 | K | | -1 | L | + | | M | | -3 | N | + | | O | + | | P | = | | 49 | | (14) |
| | -2 | H | | -2 | I | + | | J | + | | K | | - | 1 2 | M | | - | 3 2 | N | + | | | 1 2 | O | + | | | 3 2 | P | = | | - | 2191 100 | | (15) |
| | -2 | H | + | | 2 | I | + | | J | + | | K | + | | | 3 2 | M | + | | | 1 2 | N | + | | | 5 2 | O | | - | 1 2 | P | = | | | 3109 20 | | (16) |
|
Add both sides of equation (8) to both sides of equation (15) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (13) |
| | -1 | I | | -1 | J | + | | 3 | K | | -1 | L | + | | M | | -3 | N | + | | O | + | | P | = | | 49 | | (14) |
| | -1 | I | + | | J | | -1 | K | + | | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | -7 | | (15) |
| | -2 | H | + | | 2 | I | + | | J | + | | K | + | | | 3 2 | M | + | | | 1 2 | N | + | | | 5 2 | O | | - | 1 2 | P | = | | | 3109 20 | | (16) |
|
Add both sides of equation (8) to both sides of equation (16) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | -1 | I | | -1 | J | + | | K | + | | L | | -1 | M | | -1 | N | + | | 2 | P | = | | 13 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (13) |
| | -1 | I | | -1 | J | + | | 3 | K | | -1 | L | + | | M | | -3 | N | + | | O | + | | P | = | | 49 | | (14) |
| | -1 | I | + | | J | | -1 | K | + | | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | -7 | | (15) |
| | | 3 | I | + | | J | | -1 | K | + | | L | + | | M | + | | 3 | N | + | | O | | -1 | P | = | | | 4259 25 | | (16) |
|
Add both sides of equation (9) to both sides of equation (10) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | | 2 | I | + | | 2 | J | + | | 2 | M | + | | 2 | N | = | | | 4959 25 | | (12) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (13) |
| | -1 | I | | -1 | J | + | | 3 | K | | -1 | L | + | | M | | -3 | N | + | | O | + | | P | = | | 49 | | (14) |
| | -1 | I | + | | J | | -1 | K | + | | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | -7 | | (15) |
| | | 3 | I | + | | J | | -1 | K | + | | L | + | | M | + | | 3 | N | + | | O | | -1 | P | = | | | 4259 25 | | (16) |
|
Multiply both sides of equation (9) by 2, the equation can be obtained: | | | 2 | I | + | | 2 | J | + | | 2 | K | + | | 2 | L | = | | | 5286 25 | (25) | , then subtract both sides of equation (25) from both sides of equation (12), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (12) |
| | | I | + | | J | + | | K | + | | L | + | | M | + | | N | + | | O | + | | P | = | | | 5284 25 | | (13) |
| | -1 | I | | -1 | J | + | | 3 | K | | -1 | L | + | | M | | -3 | N | + | | O | + | | P | = | | 49 | | (14) |
| | -1 | I | + | | J | | -1 | K | + | | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | -7 | | (15) |
| | | 3 | I | + | | J | | -1 | K | + | | L | + | | M | + | | 3 | N | + | | O | | -1 | P | = | | | 4259 25 | | (16) |
|
Subtract both sides of equation (9) from both sides of equation (13) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | -1 | I | | -1 | J | + | | 3 | K | | -1 | L | + | | M | | -3 | N | + | | O | + | | P | = | | 49 | | (14) |
| | -1 | I | + | | J | | -1 | K | + | | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | -7 | | (15) |
| | | 3 | I | + | | J | | -1 | K | + | | L | + | | M | + | | 3 | N | + | | O | | -1 | P | = | | | 4259 25 | | (16) |
|
Add both sides of equation (9) to both sides of equation (14) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | 4 | K | + | | M | | -3 | N | + | | O | + | | P | = | | | 3868 25 | | (14) |
| | -1 | I | + | | J | | -1 | K | + | | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | -7 | | (15) |
| | | 3 | I | + | | J | | -1 | K | + | | L | + | | M | + | | 3 | N | + | | O | | -1 | P | = | | | 4259 25 | | (16) |
|
Add both sides of equation (9) to both sides of equation (15) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | 4 | K | + | | M | | -3 | N | + | | O | + | | P | = | | | 3868 25 | | (14) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (15) |
| | | 3 | I | + | | J | | -1 | K | + | | L | + | | M | + | | 3 | N | + | | O | | -1 | P | = | | | 4259 25 | | (16) |
|
Multiply both sides of equation (9) by 3, the equation can be obtained: | | | 3 | I | + | | 3 | J | + | | 3 | K | + | | 3 | L | = | | | 7929 25 | (26) | , then subtract both sides of equation (26) from both sides of equation (16), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | 4 | K | + | | M | | -3 | N | + | | O | + | | P | = | | | 3868 25 | | (14) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (15) |
| | -2 | J | | -4 | K | | -2 | L | + | | M | + | | 3 | N | + | | O | | -1 | P | = | | - | 734 5 | | (16) |
|
交After the exchange of equation (10) and equation (15), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | 4 | K | + | | M | | -3 | N | + | | O | + | | P | = | | | 3868 25 | | (14) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (15) |
| | -2 | J | | -4 | K | | -2 | L | + | | M | + | | 3 | N | + | | O | | -1 | P | = | | - | 734 5 | | (16) |
|
Add both sides of equation (10) to both sides of equation (16) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (11) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | 4 | K | + | | M | | -3 | N | + | | O | + | | P | = | | | 3868 25 | | (14) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (15) |
| |
交After the exchange of equation (11) and equation (12), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (11) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | 4 | K | + | | M | | -3 | N | + | | O | + | | P | = | | | 3868 25 | | (14) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (15) |
| |
Multiply both sides of equation (11) by 2, the equation can be obtained: | | -4 | K | | -4 | L | + | | 4 | M | + | | 4 | N | = | | - | 654 25 | (27) | , then add the two sides of equation (27) to both sides of equation (14), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (11) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | -4 | L | + | | 5 | M | + | | N | + | | O | + | | P | = | | | 3214 25 | | (14) |
| | | 2 | K | + | | 2 | L | | -1 | M | | -1 | N | + | | 2 | P | = | | | 2968 25 | | (15) |
| |
Add both sides of equation (11) to both sides of equation (15) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (11) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | -4 | L | + | | 5 | M | + | | N | + | | O | + | | P | = | | | 3214 25 | | (14) |
| | |
Multiply both sides of equation (11) by 2, the equation can be obtained: | | -4 | K | | -4 | L | + | | 4 | M | + | | 4 | N | = | | - | 654 25 | (28) | , then subtract both sides of equation (28) from both sides of equation (16), the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (11) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | -4 | L | + | | 5 | M | + | | N | + | | O | + | | P | = | | | 3214 25 | | (14) |
| | |
交After the exchange of equation (12) and equation (14), the equation system becomes:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (11) |
| | -4 | L | + | | 5 | M | + | | N | + | | O | + | | P | = | | | 3214 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (14) |
| | |
Add both sides of equation (12) to both sides of equation (16) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (11) |
| | -4 | L | + | | 5 | M | + | | N | + | | O | + | | P | = | | | 3214 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | M | + | | N | + | | O | + | | P | = | | | 2618 25 | | (14) |
| | | | M | + | | N | + | | O | + | | P | = | | | 2666 25 | | (16) |
|
Subtract both sides of equation (13) from both sides of equation (14) ,the equations are reduced to:
 | | | | | A | + | | B | + | | C | + | | D | = | | | 5481 50 | | (1) |
| | -1 | B | | -1 | C | | -1 | D | + | | E | + | | I | + | | M | = | | | 127 25 | | (2) |
| | -1 | C | | -1 | D | + | | E | + | | F | + | | I | + | | J | + | | M | + | | N | = | | | 5339 50 | | (3) |
| | -1 | D | + | | E | + | | F | + | | G | + | | I | + | | J | + | | K | + | | M | + | | N | + | | O | = | | | 5312 25 | | (4) |
| | | E | + | | F | + | | G | + | | H | = | | | 5541 50 | | (5) |
| | | 2 | F | + | | G | + | | H | | -1 | I | + | | K | | -1 | M | + | | P | = | | | 6041 50 | | (6) |
| | -1 | G | + | | H | + | | I | | -1 | K | + | | N | | -1 | O | = | | -19 | | (7) |
| | | 2 | H | + | | I | | -2 | K | + | | L | | - | 1 2 | M | + | | | 5 2 | N | | - | 3 2 | O | | - | 1 2 | P | = | | | 1491 100 | | (8) |
| | | I | + | | J | + | | K | + | | L | = | | | 2643 25 | | (9) |
| | | 2 | J | + | | 2 | L | | -1 | M | + | | N | | -1 | O | + | | P | = | | | 2468 25 | | (10) |
| | -2 | K | | -2 | L | + | | 2 | M | + | | 2 | N | = | | - | 327 25 | | (11) |
| | -4 | L | + | | 5 | M | + | | N | + | | O | + | | P | = | | | 3214 25 | | (12) |
| | | M | + | | N | + | | O | + | | P | = | | | 2641 25 | | (13) |
| | | | | M | + | | N | + | | O | + | | P | = | | | 2666 25 | | (16) |
|
由第(14)方程式可以看出,该方程组无解。
解方程组的详细方法请参阅:《多元一次方程组的解法》 |