113 100 | x | ÷ | 13 100 | + | 103 100 | ( | 998744 25 | − | x | ) | ÷ | 3 100 | = | 78513019 100 |
| 方程左边 = | 113 13 | x | + | 103 3 | ( | 998744 25 | − | x | ) |
113 13 | x | + | 103 3 | ( | 998744 25 | − | x | ) | = | 78513019 100 |
| 方程左边 = | 113 13 | x | + | 103 3 | × | 998744 25 | − | 103 3 | x |
| = | 113 13 | x | + | 102870632 75 | − | 103 3 | x |
| = | - | 1000 39 | x | + | 102870632 75 |
| - | 1000 39 | x | + | 102870632 75 | = | 78513019 100 |
| - | 1000 39 | x | = | 78513019 100 | − | 102870632 75 |
| - | 1000 39 | x | = | - | 175943471 300 |
175943471 300 | = | 1000 39 | x |
1000 39 | x | = | 175943471 300 |
| x | = | 175943471 300 | ÷ | 1000 39 |
| = | 175943471 300 | × | 39 1000 |
| = | 175943471 100 | × | 13 1000 |
| x | = | 2287265123 100000 |
| x | = | 22872.65123 |