| A | = | A | × | 1 100 | + | A | × | 6 100 | + | A | × | 18 25 | + | 23685837 125 | + | 5512910 |
| 方程右边 = | 79 100 | A | + | 712799587 125 |
| A | = | 79 100 | A | + | 712799587 125 |
| A | − | 79 100 | A | = | 712799587 125 |
21 100 | A | = | 712799587 125 |
| A | = | 712799587 125 | ÷ | 21 100 |
| = | 712799587 125 | × | 100 21 |
| = | 712799587 5 | × | 4 21 |
| A | = | 2851198348 105 |
| A | = | 27154269.980951998 |