| C | × | 15000 | = | 840000 | − | 173459 | + | 32193 5 | + | 200 | + | 200 | + | ( | 200 | + | 100 | + | 15000 | C | × | 13 10000 | ) | + | ( | 15000 | C | × | 5 100 | + | 200 | + | 200 | ) | + | 4078 | × | 68261 10000 | + | C | × | 15000 | ( | 1 | + | 10 100 | ) |
| 方程右边 = | 840000 | − | 173459 | + | 32193 5 | + | 200 | + | 200 | + | ( | 200 | + | 100 | + | 15000 | C | × | 13 10000 | ) | + | ( | 15000 | C | × | 5 100 | + | 200 | + | 200 | ) | + | 139184179 5000 | + | C | × | 132 | ( | 1 | + | 10 100 | ) | + | 3000 |