| ( | X | − | X | ÷ | 113 100 | × | 13 100 | + | 11 1000 | ) | ÷ | 181 25 | = | 0 |
| 方程左边 = | X | × | 25 181 | − | X | ÷ | 113 100 | × | 13 100 | × | 25 181 | + | 11 1000 | × | 25 181 |
| = | X | × | 25 181 | − | X | × | 325 20453 | + | 11 7240 |
| = | 2500 20453 | X | + | 11 7240 |
2500 20453 | X | + | 11 7240 | = | 0 |
2500 20453 | X | = | 0 | − | 11 7240 |
2500 20453 | X | = | - | 11 7240 |
| X | = | - | 11 7240 | ÷ | 2500 20453 |
| = | - | 11 7240 | × | 20453 2500 |
| X | = | - | 224983 18100000 |
| X | = | - | 1243 100000 |
| X | = | - 0.01243 |