| ( | 133 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | × | 1460 | ÷ | 2630 | = | ( | 567 10 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) |
| 方程左边 = | ( | 133 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | × | 146 263 |
| ( | 133 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | × | 146 263 | = | ( | 567 10 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) |
| 方程左边 = | 133 5 | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | × | 146 263 | − | x | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | × | 146 263 |
| = | 19418 1315 | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | − | x | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | × | 146 263 |
| = | 19418 1315 | × | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | − | x | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | × | 146 263 |
| = | 6378813 52600 | − | x | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | × | 146 263 |
| = | 6378813 52600 | − | x | × | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | × | 146 263 |
| = | 6378813 52600 | − | x | × | 47961 10520 |
6378813 52600 | − | 47961 10520 | x | = | ( | 567 10 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) |
| 方程右边 = | 567 10 | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) |
| = | 567 10 | × | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) |
| = | 1342089 1600 | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) |
| = | 1342089 1600 | − | x | × | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 |
| = | 1342089 1600 | − | x | × | 2367 160 |
6378813 52600 | − | 47961 10520 | x | = | 1342089 1600 | − | 2367 160 | x |
| - | 47961 10520 | x | + | 2367 160 | x | = | 1342089 1600 | − | 6378813 52600 |
430677 42080 | x | = | 1342089 1600 | − | 6378813 52600 |