| 1 | ÷ | 2 | × | ( | 1 | ÷ | 3 | × | ( | 1 | ÷ | 4 | × | ( | 1 5 | x | − | 2 | ) | − | 8 | ) | + | 6 | ) | = | 1 |
| 方程左边 = | 1 2 | ( | 1 | ÷ | 3 | × | ( | 1 | ÷ | 4 | × | ( | 1 5 | x | − | 2 | ) | − | 8 | ) | + | 6 | ) |
1 2 | ( | 1 | ÷ | 3 | × | ( | 1 | ÷ | 4 | × | ( | 1 5 | x | − | 2 | ) | − | 8 | ) | + | 6 | ) | = | 1 |
| 方程左边 = | 1 2 | × | 1 | ÷ | 3 | × | ( | 1 | ÷ | 4 | × | ( | 1 5 | x | − | 2 | ) | − | 8 | ) | + | 1 2 | × | 6 |
| = | 1 6 | ( | 1 | ÷ | 4 | × | ( | 1 5 | x | − | 2 | ) | − | 8 | ) | + | 3 |
| = | 1 6 | × | 1 | ÷ | 4 | × | ( | 1 5 | x | − | 2 | ) | − | 1 6 | × | 8 | + | 3 |
| = | 1 24 | ( | 1 5 | x | − | 2 | ) | − | 4 3 | + | 3 |
| = | 1 24 | ( | 1 5 | x | − | 2 | ) | + | 5 3 |
| = | 1 24 | × | 1 5 | x | − | 1 24 | × | 2 | + | 5 3 |
| = | 1 120 | x | − | 1 12 | + | 5 3 |
| = | 1 120 | x | + | 19 12 |
1 120 | x | + | 19 12 | = | 1 |
1 120 | x | = | 1 | − | 19 12 |
1 120 | x | = | - | 7 12 |
| x | = | - | 7 12 | ÷ | 1 120 |
| = | - | 7 12 | × | 120 |
| = | - | 7 | × | 10 |
| x | = | - | 70 |