113 100 | x | ÷ | 13 100 | + | 103 100 | ( | 99499 | − | x | ) | ÷ | 3 100 | = | 120064247 100 |
| 方程左边 = | 113 13 | x | + | 103 3 | ( | 99499 | − | x | ) |
113 13 | x | + | 103 3 | ( | 99499 | − | x | ) | = | 120064247 100 |
| 方程左边 = | 113 13 | x | + | 103 3 | × | 99499 | − | 103 3 | x |
| = | 113 13 | x | + | 10248397 3 | − | 103 3 | x |
| = | - | 1000 39 | x | + | 10248397 3 |
| - | 1000 39 | x | + | 10248397 3 | = | 120064247 100 |
| - | 1000 39 | x | = | 120064247 100 | − | 10248397 3 |
| - | 1000 39 | x | = | - | 664646959 300 |
664646959 300 | = | 1000 39 | x |
1000 39 | x | = | 664646959 300 |
| x | = | 664646959 300 | ÷ | 1000 39 |
| = | 664646959 300 | × | 39 1000 |
| = | 664646959 100 | × | 13 1000 |
| x | = | 8640410467 100000 |
| x | = | 86404.10467 |