( | 10325 | + | 20 | + | X | ) | × | 31 1000 | = | 4 | X |
方程左边 = | 10325 | × | 31 1000 | + | 20 | × | 31 1000 | + | X | × | 31 1000 |
= | 12803 40 | + | 31 50 | + | X | × | 31 1000 |
= | 64139 200 | + | 31 1000 | X |
64139 200 | + | 31 1000 | X | = | 4 | X |
31 1000 | X | − | 4 | X | = | - | 64139 200 |
- | 3969 1000 | X | = | - | 64139 200 |
64139 200 | = | 3969 1000 | X |
3969 1000 | X | = | 64139 200 |
X | = | 64139 200 | ÷ | 3969 1000 |
= | 64139 200 | × | 1000 3969 |
= | 64139 | × | 5 3969 |
X | = | 320695 3969 |
X | = | 80.79995 |