( | 6 | − | x | ) | ( | 8 | − | x | ) | × | 1 | ÷ | 2 | = | 1 | ÷ | 2 | × | 6 | × | 8 |
方程左边 = | ( | 6 | − | x | ) | ( | 8 | − | x | ) | × | 1 2 |
( | 6 | − | x | ) | ( | 8 | − | x | ) | × | 1 2 | = | 1 | ÷ | 2 | × | 6 | × | 8 |
方程左边 = | 6 | ( | 8 | − | x | ) | × | 1 2 | − | x | ( | 8 | − | x | ) | × | 1 2 |
= | 3 | ( | 8 | − | x | ) | − | x | ( | 8 | − | x | ) | × | 1 2 |
= | 3 | × | 8 | − | 3 | x | − | x | ( | 8 | − | x | ) | × | 1 2 |
= | 24 | − | 3 | x | − | x | ( | 8 | − | x | ) | × | 1 2 |
= | 24 | − | 3 | x | − | x | × | 8 | × | 1 2 | + | x | x | × | 1 2 |
= | 24 | − | 3 | x | − | x | × | 4 | + | x | x | × | 1 2 |
= | 24 | − | 7 | x | + | x | x | × | 1 2 |
24 | − | 7 | x | + | x | x | × | 1 2 | = | 1 | ÷ | 2 | × | 6 | × | 8 |
方程右边 = | 24 |
24 | − | 7 | x | + | x | x | × | 1 2 | = | 24 |