| ( | 1 | + | g | ) | ÷ | g | × | 6 100 | = | 56 100 |
| 方程两边同时乘以: | g |
| ( | 1 | + | g | ) | × | 6 100 | = | 56 100 | g |
| 1 | × | 6 100 | + | g | × | 6 100 | = | 56 100 | g |
3 50 | + | g | × | 6 100 | = | 56 100 | g |
6 100 | g | − | 56 100 | g | = | - | 3 50 |
| - | 1 2 | g | = | - | 3 50 |
3 50 | = | 1 2 | g |
1 2 | g | = | 3 50 |
| g | = | 3 50 | ÷ | 1 2 |
| = | 3 50 | × | 2 |
| = | 3 25 | × | 1 |
| g | = | 3 25 |
| g | = | 0.12 |