30 100 | − | ( | ( | 1 | + | g | ) | ÷ | g | ) | × | 8 100 | × | 60 100 | = | 26 500 |
30 100 | − | ( | 1 | + | g | ) | ÷ | g | × | 8 100 | × | 60 100 | = | 26 500 |
30 100 | − | ( | 1 | + | g | ) | ÷ | g | × | 6 125 | = | 26 500 |
方程两边同时乘以: | g |
30 100 | g | − | ( | 1 | + | g | ) | × | 6 125 | = | 26 500 | g |
30 100 | g | − | 1 | × | 6 125 | − | g | × | 6 125 | = | 26 500 | g |
30 100 | g | − | 6 125 | − | g | × | 6 125 | = | 26 500 | g |
63 250 | g | − | 6 125 | = | 26 500 | g |
63 250 | g | − | 26 500 | g | = | 6 125 |
1 5 | g | = | 6 125 |
g | = | 6 125 | ÷ | 1 5 |
= | 6 125 | × | 5 |
= | 6 25 | × | 1 |
g | = | 6 25 |
g | = | 0.24 |