( | ( | 3208 | − | X | ) | ÷ | X | ) | × | 100 | = | 4 5 |
( | 3208 | − | X | ) | ÷ | X | × | 100 | = | 4 5 |
方程两边同时乘以: | X |
( | 3208 | − | X | ) | × | 100 | = | 4 5 | X |
3208 | × | 100 | − | X | × | 100 | = | 4 5 | X |
320800 | − | X | × | 100 | = | 4 5 | X |
- | 100 | X | − | 4 5 | X | = | - | 320800 |
- | 504 5 | X | = | - | 320800 |
320800 | = | 504 5 | X |
504 5 | X | = | 320800 |
X | = | 320800 | ÷ | 504 5 |
= | 320800 | × | 5 504 |
= | 40100 | × | 5 63 |
X | = | 200500 63 |
X | = | 3182.539683 |