x | − | 10 | ÷ | 10 | − | 10 100 | = | 11 10 | x | − | 12 | ÷ | 12 |
方程左边 = | x | − | 1 | − | 10 100 |
= | x | − | 11 10 |
x | − | 11 10 | = | 11 10 | x | − | 12 | ÷ | 12 |
方程右边 = | 11 10 | x | − | 1 |
x | − | 11 10 | = | 11 10 | x | − | 1 |
x | − | 11 10 | x | = | - | 1 | + | 11 10 |
- | 1 10 | x | = | - | 1 | + | 11 10 |
- | 1 10 | x | = | 1 10 |
- | 1 10 | = | 1 10 | x |
1 10 | x | = | - | 1 10 |
x | = | - | 1 10 | ÷ | 1 10 |
= | - | 1 10 | × | 10 |
= | - | 1 | × | 1 |
x | = | - | 1 |