18 | + | 91 10 | + | 269 5 | + | 62 5 | X | = | 47 2 | X | ÷ | 53 50 | ÷ | 6 5 |
方程左边 = | 809 10 | + | 62 5 | X |
809 10 | + | 62 5 | X | = | 47 2 | X | ÷ | 53 50 | ÷ | 6 5 |
方程右边 = | 5875 318 | X |
809 10 | + | 62 5 | X | = | 5875 318 | X |
62 5 | X | − | 5875 318 | X | = | - | 809 10 |
- | 9659 1590 | X | = | - | 809 10 |
809 10 | = | 9659 1590 | X |
9659 1590 | X | = | 809 10 |
X | = | 809 10 | ÷ | 9659 1590 |
= | 809 10 | × | 1590 9659 |
= | 809 | × | 159 9659 |
X | = | 128631 9659 |
X | = | 13.317217 |