x | - | 1 | ÷ | 2 | × | ( | x | - | 1 | ÷ | 2 | × | ( | x | - | 1 | ÷ | 2 | ) | ) | = | 1 |
方程左边 = | x | - | 1 2 | ( | x | - | 1 | ÷ | 2 | × | ( | x | - | 1 | ÷ | 2 | ) | ) |
x | - | 1 2 | ( | x | - | 1 | ÷ | 2 | × | ( | x | - | 1 | ÷ | 2 | ) | ) | = | 1 |
方程左边 = | x | - | 1 2 | x | + | 1 2 | × | 1 | ÷ | 2 | × | ( | x | - | 1 | ÷ | 2 | ) |
= | x | - | 1 2 | x | + | 1 4 | ( | x | - | 1 | ÷ | 2 | ) |
= | 1 2 | x | + | 1 4 | ( | x | - | 1 | ÷ | 2 | ) |
= | 1 2 | x | + | 1 4 | x | - | 1 4 | × | 1 | ÷ | 2 |
= | 1 2 | x | + | 1 4 | x | - | 1 8 |
= | 3 4 | x | - | 1 8 |
3 4 | x | - | 1 8 | = | 1 |
3 4 | x | = | 1 | + | 1 8 |
3 4 | x | = | 9 8 |
x | = | 9 8 | ÷ | 3 4 |
= | 9 8 | × | 4 3 |
= | 3 2 | × | 1 |
x | = | 3 2 |
x | = | 1.5 |