60 100 | − | 15 100 | − | ( | ( | 1 | + | g | ) | ÷ | g | ) | × | 5 100 | = | 0 |
60 100 | − | 15 100 | − | ( | 1 | + | g | ) | ÷ | g | × | 5 100 | = | 0 |
9 20 | − | ( | 1 | + | g | ) | ÷ | g | × | 5 100 | = | 0 |
| 方程两边同时乘以: | g |
9 20 | g | − | ( | 1 | + | g | ) | × | 5 100 | = | 0 |
9 20 | g | − | 1 | × | 5 100 | − | g | × | 5 100 | = | 0 |
9 20 | g | − | 1 20 | − | g | × | 5 100 | = | 0 |
2 5 | g | − | 1 20 | = | 0 |
2 5 | g | = | 0 | + | 1 20 |
2 5 | g | = | 1 20 |
| g | = | 1 20 | ÷ | 2 5 |
| = | 1 20 | × | 5 2 |
| = | 1 4 | × | 1 2 |
| g | = | 1 8 |
| g | = | 0.125 |