| - | 3 200 | = | ( | X | − | 1847200 | − | 36261098 25 | ) | ÷ | 1874200 | × | 100 100 |
| 方程右边 = | ( | X | − | 1847200 | − | 36261098 25 | ) | × | 1 1874200 |
| - | 3 200 | = | ( | X | − | 1847200 | − | 36261098 25 | ) | × | 1 1874200 |
| 方程右边 = | X | × | 1 1874200 | − | 1847200 | × | 1 1874200 | − | 36261098 25 | × | 1 1874200 |
| = | X | × | 1 1874200 | − | 9236 9371 | − | 18130549 23427500 |
| X= | 81738273 25 |