| 2 | m | × | 5 | − | 29 | m | × | 4 | − | 564 | m | × | 3 | + | 452 | m | × | 2 | = | 0 |
| 方程左边 = | 10 | m | − | 116 | m | − | 1692 | m | + | 904 | m | + | 200 | m | + | 200 |
| = | - | 694 | m | + | 200 |
| - | 694 | m | + | 200 | = | 0 |
| - | 694 | m | = | 0 | − | 200 |
| - | 694 | m | = | - | 200 |
| 200 | = | 694 | m |
| 694 | m | = | 200 |
| m | = | 200 | ÷ | 694 |
| = | 200 | × | 1 694 |
| = | 100 | × | 1 347 |
| m | = | 100 347 |
| m | = | 0.288184 |