| 1 | = | x | ÷ | ( | 6 25 | − | x | ) | × | ( | 188 25 | − | x | ÷ | 2 | ) | ( | 412 5 | − | x | ÷ | 2 | ) |
| 方程两边同时乘以: | ( | 6 25 | − | x | ) |
| 1 | ( | 6 25 | − | x | ) | = | x | ( | 188 25 | − | x | ÷ | 2 | ) | ( | 412 5 | − | x | ÷ | 2 | ) |
| 1 | × | 6 25 | − | 1 | x | = | x | ( | 188 25 | − | x | ÷ | 2 | ) | ( | 412 5 | − | x | ÷ | 2 | ) |
| 1 | × | 6 25 | − | 1 | x | = | x | × | 188 25 | ( | 412 5 | − | x | ÷ | 2 | ) | − | x | x | ÷ | 2 | × | ( | 412 5 | − | x | ÷ | 2 | ) |
6 25 | − | 1 | x | = | x | × | 188 25 | ( | 412 5 | − | x | ÷ | 2 | ) | − | x | x | × | 1 2 | ( | 412 5 | − | x | ÷ | 2 | ) |
6 25 | − | 1 | x | = | x | × | 188 25 | × | 412 5 | − | x | × | 188 25 | x | ÷ | 2 | − | x | x | × | 1 2 | ( | 412 5 | − | x | ÷ | 2 | ) |
6 25 | − | 1 | x | = | x | × | 77456 125 | − | x | × | 94 25 | x | − | x | x | × | 1 2 | ( | 412 5 | − | x | ÷ | 2 | ) |
6 25 | − | 1 | x | = | 77456 125 | x | − | x | × | 94 25 | x | − | x | x | × | 1 2 | × | 412 5 | + | x | x | × | 1 2 |
6 25 | − | 1 | x | = | 77456 125 | x | − | x | × | 94 25 | x | − | x | x | × | 206 5 | + | x | x | × | 1 4 | x |