| ( | 9089514 25 | + | 28 25 | X | ) | ÷ | 113 100 | × | 13 100 | = | X | + | 1020361 25 |
| 方程左边 = | ( | 9089514 25 | + | 28 25 | X | ) | × | 13 113 |
| ( | 9089514 25 | + | 28 25 | X | ) | × | 13 113 | = | X | + | 1020361 25 |
| 方程左边 = | 9089514 25 | × | 13 113 | + | 28 25 | X | × | 13 113 |
| = | 118163682 2825 | + | 364 2825 | X |
118163682 2825 | + | 364 2825 | X | = | X | + | 1020361 25 |
364 2825 | X | − | X | = | 1020361 25 | − | 118163682 2825 |
| - | 2461 2825 | X | = | 1020361 25 | − | 118163682 2825 |
| - | 2461 2825 | X | = | - | 2862889 2825 |
2862889 2825 | = | 2461 2825 | X |
2461 2825 | X | = | 2862889 2825 |
| X | = | 2862889 2825 | ÷ | 2461 2825 |
| = | 2862889 2825 | × | 2825 2461 |
| = | 2862889 113 | × | 113 2461 |
| X | = | 323506457 278093 |
| X | = | 2862889 2461 |
| X | = | 1163.303129 |