| ( | 9 1000 | × | 253 125 | + | 1 2 | x | ) | ÷ | ( | 253 125 | + | x | ) | − | 1 100 | = | 0 |
| 方程两边同时乘以: | ( | 253 125 | + | x | ) |
| ( | 9 1000 | × | 253 125 | + | 1 2 | x | ) | − | 1 100 | ( | 253 125 | + | x | ) | = | 0 |
9 1000 | × | 253 125 | + | 1 2 | x | − | 1 100 | ( | 253 125 | + | x | ) | = | 0 |
2277 125000 | + | 1 2 | x | − | 1 100 | ( | 253 125 | + | x | ) | = | 0 |
2277 125000 | + | 1 2 | x | − | 1 100 | × | 253 125 | − | 1 100 | x | = | 0 |
2277 125000 | + | 1 2 | x | − | 253 12500 | − | 1 100 | x | = | 0 |
| - | 253 125000 | + | 49 100 | x | = | 0 |
49 100 | x | = | 0 | + | 253 125000 |
49 100 | x | = | 253 125000 |
| x | = | 253 125000 | ÷ | 49 100 |
| = | 253 125000 | × | 100 49 |
| = | 253 1250 | × | 1 49 |
| x | = | 253 61250 |
| x | = | 0.004131 |