| ( | 6039009 25 | + | x | + | 30000 | + | 60000 | + | 200000 | + | 25000 | + | 165179 4 | ) | ( | 1 | + | 168 2500 | ) | = | 18500962 25 |
| 方程左边 = | 6039009 25 | ( | 1 | + | 168 2500 | ) | + | x | ( | 1 | + | 168 2500 | ) | + | 30000 | ( | 1 | + | 168 2500 | ) | + | 60000 | ( | 1 | + | 168 2500 | ) | + | 200000 | ( | 1 | + | 168 2500 | ) | + | 25000 | ( | 1 | + | 168 2500 | ) |
| = | 6039009 25 | × | 1 | + | 6039009 25 | × | 168 2500 | + | x | ( | 1 | + | 168 2500 | ) | + | 30000 | ( | 1 | + | 168 2500 | ) | + | 60000 | ( | 1 | + | 168 2500 | ) | + | 200000 | ( | 1 | + | 168 2500 | ) |
| = | 6039009 25 | + | 253638378 15625 | + | x | ( | 1 | + | 168 2500 | ) | + | 30000 | ( | 1 | + | 168 2500 | ) | + | 60000 | ( | 1 | + | 168 2500 | ) | + | 200000 | ( | 1 | + | 168 2500 | ) | + | 25000 | ( | 1 | + | 168 2500 | ) |