1 | ÷ | 2 | − | ( | x | − | 3 | ) | ÷ | 3 | = | 1 |
方程左边 = | 1 2 | − | ( | x | − | 3 | ) | × | 1 3 |
1 2 | − | ( | x | − | 3 | ) | × | 1 3 | = | 1 |
方程左边 = | 1 2 | − | x | × | 1 3 | + | 3 | × | 1 3 |
= | 1 2 | − | x | × | 1 3 | + | 1 |
= | 3 2 | − | 1 3 | x |
3 2 | − | 1 3 | x | = | 1 |
- | 1 3 | x | = | 1 | − | 3 2 |
- | 1 3 | x | = | - | 1 2 |
1 2 | = | 1 3 | x |
1 3 | x | = | 1 2 |
x | = | 1 2 | ÷ | 1 3 |
= | 1 2 | × | 3 |
x | = | 3 2 |
x | = | 1.5 |