| 1 | ÷ | 487 2 | = | ( | x | ÷ | 7463 20 | ) | + | ( | 1023 10000 | ÷ | 5163 20 | ) | + | ( | 1 | − | x | − | 1023 10000 | ) | ÷ | 4063 20 |
| 方程左边 = | 2 487 |
2 487 | = | ( | x | ÷ | 7463 20 | ) | + | ( | 1023 10000 | ÷ | 5163 20 | ) | + | ( | 1 | − | x | − | 1023 10000 | ) | ÷ | 4063 20 |
| 方程右边 = | x | ÷ | 7463 20 | + | ( | 1023 10000 | ÷ | 5163 20 | ) | + | ( | 1 | − | x | − | 1023 10000 | ) | × | 20 4063 |
| = | 20 7463 | x | + | 1023 10000 | ÷ | 5163 20 | + | ( | 1 | − | x | − | 1023 10000 | ) | × | 20 4063 |
| = | 20 7463 | x | + | 341 860500 | + | ( | 1 | − | x | − | 1023 10000 | ) | × | 20 4063 |
| = | 20 7463 | x | + | 341 860500 | + | 1 | × | 20 4063 | − | x | × | 20 4063 | − | 1023 10000 | × | 20 4063 |
| = | 20 7463 | x | + | 341 860500 | + | 20 4063 | − | x | × | 20 4063 | − | 1023 2031500 |