| 3195307 | ÷ | ( | 666653 | ÷ | ( | 38 5 | x | ) | + | 2528654 | ÷ | ( | 73 10 | x | ) | ) | = | 15873 2000 |
| 方程两边同时乘以: | ( | 666653 | ÷ | ( | 38 5 | x | ) | + | 2528654 | ÷ | ( | 73 10 | x | ) | ) |
| 3195307 | = | 15873 2000 | ( | 666653 | ÷ | ( | 38 5 | x | ) | + | 2528654 | ÷ | ( | 73 10 | x | ) | ) |
| 3195307 | = | 15873 2000 | × | 666653 | ÷ | ( | 38 5 | x | ) | + | 15873 2000 | × | 2528654 | ÷ | ( | 73 10 | x | ) |