113 100 | x | ÷ | 13 100 | + | 103 100 | ( | 105821 4 | − | x | ) | ÷ | 3 100 | = | 10915809 25 |
| 方程左边 = | 113 13 | x | + | 103 3 | ( | 105821 4 | − | x | ) |
113 13 | x | + | 103 3 | ( | 105821 4 | − | x | ) | = | 10915809 25 |
| 方程左边 = | 113 13 | x | + | 103 3 | × | 105821 4 | − | 103 3 | x |
| = | 113 13 | x | + | 10899563 12 | − | 103 3 | x |
| = | - | 1000 39 | x | + | 10899563 12 |
| - | 1000 39 | x | + | 10899563 12 | = | 10915809 25 |
| - | 1000 39 | x | = | 10915809 25 | − | 10899563 12 |
| - | 1000 39 | x | = | - | 141499367 300 |
141499367 300 | = | 1000 39 | x |
1000 39 | x | = | 141499367 300 |
| x | = | 141499367 300 | ÷ | 1000 39 |
| = | 141499367 300 | × | 39 1000 |
| = | 141499367 100 | × | 13 1000 |
| x | = | 1839491771 100000 |
| x | = | 18394.91771 |