| ( | ( | X | − | X | ÷ | 113 100 | × | 13 100 | ) | + | 11 1000 | ) | ÷ | 181 25 | = | 251 500 |
| 方程左边 = | ( | X | − | X | ÷ | 113 100 | × | 13 100 | ) | × | 25 181 | + | 11 1000 | × | 25 181 |
| = | ( | X | − | X | ÷ | 113 100 | × | 13 100 | ) | × | 25 181 | + | 11 7240 |
| = | X | × | 25 181 | − | X | ÷ | 113 100 | × | 13 100 | × | 25 181 | + | 11 7240 |
| = | X | × | 25 181 | − | X | × | 325 20453 | + | 11 7240 |
| = | 2500 20453 | X | + | 11 7240 |
2500 20453 | X | + | 11 7240 | = | 251 500 |
2500 20453 | X | = | 251 500 | − | 11 7240 |
2500 20453 | X | = | 90587 181000 |
| X | = | 90587 181000 | ÷ | 2500 20453 |
| = | 90587 181000 | × | 20453 2500 |
| X | = | 1852775911 452500000 |
| X | = | 10236331 2500000 |
| X | = | 4.094532 |