18 | + | 91 10 | + | 269 5 | + | 62 5 | X | = | 47 2 | X | ÷ | 53 50 |
方程左边 = | 809 10 | + | 62 5 | X |
809 10 | + | 62 5 | X | = | 47 2 | X | ÷ | 53 50 |
方程右边 = | 1175 53 | X |
809 10 | + | 62 5 | X | = | 1175 53 | X |
62 5 | X | − | 1175 53 | X | = | - | 809 10 |
- | 2589 265 | X | = | - | 809 10 |
809 10 | = | 2589 265 | X |
2589 265 | X | = | 809 10 |
X | = | 809 10 | ÷ | 2589 265 |
= | 809 10 | × | 265 2589 |
= | 809 2 | × | 53 2589 |
X | = | 42877 5178 |
X | = | 8.28061 |