| 1 | ÷ | 87 5000 | × | ( | 1 | ÷ | x | − | 1 | ÷ | 33 25 | ) | = | 250 |
| 1 | ÷ | 87 5000 | × | 1 | ÷ | x | − | 1 | ÷ | 87 5000 | × | 1 | ÷ | 33 25 | = | 250 |
5000 87 | ÷ | x | − | 125000 2871 | = | 250 |
| 方程两边同时乘以: | x |
5000 87 | − | 125000 2871 | x | = | 250 | x |
| - | 125000 2871 | x | − | 250 | x | = | - | 5000 87 |
| - | 842750 2871 | x | = | - | 5000 87 |
5000 87 | = | 842750 2871 | x |
842750 2871 | x | = | 5000 87 |
| x | = | 5000 87 | ÷ | 842750 2871 |
| = | 5000 87 | × | 2871 842750 |
| = | 20 | × | 33 3371 |
| x | = | 660 3371 |
| x | = | 0.195788 |