| 701860 | + | 74036 5 | X | ÷ | 40 | + | X | = | 1491453 100 |
| 方程左边 = | 701860 | + | 18509 50 | X | + | X |
| = | 701860 | + | 18559 50 | X |
| 701860 | + | 18559 50 | X | = | 1491453 100 |
18559 50 | X | = | 1491453 100 | − | 701860 |
18559 50 | X | = | - | 68694547 100 |
| X | = | - | 68694547 100 | ÷ | 18559 50 |
| = | - | 68694547 100 | × | 50 18559 |
| = | - | 68694547 2 | × | 1 18559 |
| X | = | - | 68694547 37118 |
| X | = | - 1850.707123 |