( | 2215 | + | 85 | + | X | ) | × | 61 1000 | = | 2 | X |
方程左边 = | 2215 | × | 61 1000 | + | 85 | × | 61 1000 | + | X | × | 61 1000 |
= | 27023 200 | + | 1037 200 | + | X | × | 61 1000 |
= | 1403 10 | + | 61 1000 | X |
1403 10 | + | 61 1000 | X | = | 2 | X |
61 1000 | X | − | 2 | X | = | - | 1403 10 |
- | 1939 1000 | X | = | - | 1403 10 |
1403 10 | = | 1939 1000 | X |
1939 1000 | X | = | 1403 10 |
X | = | 1403 10 | ÷ | 1939 1000 |
= | 1403 10 | × | 1000 1939 |
= | 1403 | × | 100 1939 |
X | = | 140300 1939 |
X | = | 72.356885 |