| ( | X | − | 24000 | × | 5 100 | − | 1000 | × | 6 100 | ) | − | ( | 1 | × | 25 100 | ) | ÷ | 10000 | = | 0 |
| 方程左边 = | X | − | 24000 | × | 5 100 | − | 1000 | × | 6 100 | − | ( | 1 | × | 25 100 | ) | × | 1 10000 |
| = | X | − | 1200 | − | 60 | − | ( | 1 | × | 25 100 | ) | × | 1 10000 |
| = | X | − | 1260 | − | ( | 1 | × | 25 100 | ) | × | 1 10000 |
| = | X | − | 1260 | − | 1 | × | 25 100 | × | 1 10000 |
| = | X | − | 1260 | − | 1 40000 |
| = | X | − | 50400001 40000 |
| X | − | 50400001 40000 | = | 0 |
| X | = | 0 | + | 50400001 40000 |
| X | = | 50400001 40000 |