- | 4082750 | + | 300000 | − | 450000 | + | A | − | A | × | 10 100 | ÷ | 4 | = | 300000 |
方程左边 = | - | 4082750 | + | 300000 | − | 450000 | + | A | − | A | × | 1 40 |
= | - | 4232750 | + | 39 40 | A |
- | 4232750 | + | 39 40 | A | = | 300000 |
39 40 | A | = | 300000 | + | 4232750 |
39 40 | A | = | 4532750 |
A | = | 4532750 | ÷ | 39 40 |
= | 4532750 | × | 40 39 |
A | = | 181310000 39 |
A | = | 4648974.358974 |