1 100 | × | 10 | x | × | 3 | ÷ | 5 | − | 1 2 | × | 1 100 | × | 10 | × | 4 | ÷ | 5 | × | x | − | 3 5 | = | 1 2 | × | 1 100 | × | 1 | × | 1 |
| 方程左边 = | 3 50 | x | − | 1 25 | x | − | 3 5 | − | 11 250 |
| = | 1 50 | x | − | 161 250 |
1 50 | x | − | 161 250 | = | 1 2 | × | 1 100 | × | 1 | × | 1 |
| 方程右边 = | 1 200 |
1 50 | x | − | 161 250 | = | 1 200 |
1 50 | x | = | 1 200 | + | 161 250 |
1 50 | x | = | 649 1000 |
| x | = | 649 1000 | ÷ | 1 50 |
| = | 649 1000 | × | 50 |
| = | 649 20 | × | 1 |
| x | = | 649 20 |
| x | = | 32.45 |