73 10 | = | ( | 277 2 | ÷ | x | ) | + | ( | 468 | ÷ | x | ÷ | x | ÷ | x | ) |
73 10 | = | 277 2 | ÷ | x | + | ( | 468 | ÷ | x | ÷ | x | ÷ | x | ) |
| 方程两边同时乘以: | x |
73 10 | x | = | 277 2 | + | ( | 468 | ÷ | x | ÷ | x | ÷ | x | ) | x |
73 10 | x | = | 277 2 | + | 468 | ÷ | x | ÷ | x | ÷ | x | × | x |
| 方程两边同时乘以: | x |
73 10 | x | x | = | 277 2 | x | + | 468 | ÷ | 1 | ÷ | x | × | 1 |
| 方程两边同时乘以: | x |
73 10 | x | x | x | = | 277 2 | x | x | + | 468 | ÷ | 1 | × | 1 |