| 1 | ÷ | ( | 30 | + | 547 2 | ) | = | x | ÷ | 7463 20 | + | 1023 10000 | ÷ | 5163 20 | + | 71 500 | ÷ | 6263 20 | + | ( | 1 | − | x | − | 1023 10000 | − | 71 500 | ) | ÷ | 4063 20 |
| 方程两边同时乘以: | ( | 30 | + | 547 2 | ) |
| 1 | = | x | ÷ | 7463 20 | × | ( | 30 | + | 547 2 | ) | + | 1023 10000 | ÷ | 5163 20 | × | ( | 30 | + | 547 2 | ) | + | 71 500 | ÷ | 6263 20 | × | ( | 30 | + | 547 2 | ) | + | ( | 1 | − | x | − | 1023 10000 | − | 71 500 | ) | ÷ | 4063 20 | × | ( | 30 | + | 547 2 | ) |
| 1 | = | x | ÷ | 7463 20 | × | 30 | + | x | ÷ | 7463 20 | × | 547 2 | + | 1023 10000 | ÷ | 5163 20 | × | ( | 30 | + | 547 2 | ) | + | 71 500 | ÷ | 6263 20 | × | ( | 30 | + | 547 2 | ) |
| 1 | = | x | × | 600 7463 | + | x | × | 5470 7463 | + | 341 860500 | ( | 30 | + | 547 2 | ) | + | 71 156575 | ( | 30 | + | 547 2 | ) | + | ( | 1 | − | x | − | 1023 10000 | − | 71 500 | ) | × | 20 4063 | ( | 30 | + | 547 2 | ) |
| 1 | = | 6070 7463 | x | + | 341 860500 | ( | 30 | + | 547 2 | ) | + | 71 156575 | ( | 30 | + | 547 2 | ) | + | ( | 1 | − | x | − | 1023 10000 | − | 71 500 | ) | × | 20 4063 | ( | 30 | + | 547 2 | ) |
| 1 | = | 6070 7463 | x | + | 341 860500 | × | 30 | + | 341 860500 | × | 547 2 | + | 71 156575 | ( | 30 | + | 547 2 | ) | + | ( | 1 | − | x | − | 1023 10000 | − | 71 500 | ) | × | 20 4063 | ( | 30 | + | 547 2 | ) |
| 1 | = | 6070 7463 | x | + | 1023 86050 | + | 186527 1721000 | + | 71 156575 | ( | 30 | + | 547 2 | ) | + | ( | 1 | − | x | − | 1023 10000 | − | 71 500 | ) | × | 20 4063 | ( | 30 | + | 547 2 | ) |