- | 4082750 | + | 3000000 | + | X | − | X | × | 10 100 | ÷ | 4 | − | 450000 | = | 300000 |
方程左边 = | - | 4082750 | + | 3000000 | + | X | − | X | × | 1 40 | − | 450000 |
= | - | 1532750 | + | 39 40 | X |
- | 1532750 | + | 39 40 | X | = | 300000 |
39 40 | X | = | 300000 | + | 1532750 |
39 40 | X | = | 1832750 |
X | = | 1832750 | ÷ | 39 40 |
= | 1832750 | × | 40 39 |
X | = | 73310000 39 |
X | = | 1879743.589744 |