| ( | 2 | − | 5 | ÷ | 3 | ) | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) | = | x | ÷ | 4 |
| 方程左边 = | 2 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) | − | 5 | ÷ | 3 | × | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 2 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 2 | × | 3 | ( | 3 | − | x | ) | − | 2 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 6 | ( | 3 | − | x | ) | − | 2 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 6 | × | 3 | − | 6 | x | − | 2 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 18 | − | 6 | x | − | 2 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 18 | − | 6 | x | − | 2 | × | 2 | ( | 3 | − | x | ) | + | 2 | × | 1 | ÷ | 2 | × | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) |
| = | 18 | − | 6 | x | − | 4 | ( | 3 | − | x | ) | + | 1 | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 18 | − | 6 | x | − | 4 | × | 3 | + | 4 | x | + | 1 | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 18 | − | 6 | x | − | 12 | + | 4 | x | + | 1 | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 6 | − | 2 | x | + | 1 | ( | 3 | − | x | ) | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 6 | − | 2 | x | + | 1 | × | 3 | − | 1 | x | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 6 | − | 2 | x | + | 3 | − | 1 | x | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 9 | − | 3 | x | − | 5 3 | ( | 3 | − | ( | 2 | − | 1 | ÷ | 2 | ) | ) | ( | 3 | − | x | ) |
| = | 9 | − | 3 | x | − | 5 3 | × | 3 | ( | 3 | − | x | ) | + | 5 3 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) |
| = | 9 | − | 3 | x | − | 5 | ( | 3 | − | x | ) | + | 5 3 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) |
| = | 9 | − | 3 | x | − | 5 | × | 3 | + | 5 | x | + | 5 3 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) |
| = | 9 | − | 3 | x | − | 15 | + | 5 | x | + | 5 3 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) |
| = | - | 6 | + | 2 | x | + | 5 3 | ( | 2 | − | 1 | ÷ | 2 | ) | ( | 3 | − | x | ) |
| = | - | 6 | + | 2 | x | + | 5 3 | × | 2 | ( | 3 | − | x | ) | − | 5 3 | × | 1 | ÷ | 2 | × | ( | 3 | − | x | ) |
| = | - | 6 | + | 2 | x | + | 10 3 | ( | 3 | − | x | ) | − | 5 6 | ( | 3 | − | x | ) |
| = | - | 6 | + | 2 | x | + | 10 3 | × | 3 | − | 10 3 | x | − | 5 6 | ( | 3 | − | x | ) |
| = | - | 6 | + | 2 | x | + | 10 | − | 10 3 | x | − | 5 6 | ( | 3 | − | x | ) |
| = | 4 | − | 4 3 | x | − | 5 6 | ( | 3 | − | x | ) |
| = | 4 | − | 4 3 | x | − | 5 6 | × | 3 | + | 5 6 | x |