| - | 1316 5 | ÷ | 4157 500 | ÷ | 300 | = | 2571 5000 | + | 131 5000 | × | 300 | ÷ | 2 | + | x | ÷ | 300 |
| 方程左边 = | - | 1316 12471 |
| - | 1316 12471 | = | 2571 5000 | + | 131 5000 | × | 300 | ÷ | 2 | + | x | ÷ | 300 |
| 方程右边 = | 2571 5000 | + | 393 100 | + | x | × | 1 300 |
| = | 22221 5000 | + | 1 300 | x |
| - | 1316 12471 | = | 22221 5000 | + | 1 300 | x |
| - | 1 300 | x | = | 22221 5000 | + | 1316 12471 |
| - | 1 300 | x | = | 283698091 62355000 |
| - | 283698091 62355000 | = | 1 300 | x |
1 300 | x | = | - | 283698091 62355000 |
| x | = | - | 283698091 62355000 | ÷ | 1 300 |
| = | - | 283698091 62355000 | × | 300 |
| = | - | 283698091 207850 | × | 1 |
| x | = | - | 283698091 207850 |
| x | = | - 1364.917445 |