X | − | ( | X | − | X | ÷ | 133 125 | × | 8 125 | ) | × | 1 5 | = | 6107439 100 |
方程左边 = | X | − | X | × | 1 5 | + | X | ÷ | 133 125 | × | 8 125 | × | 1 5 |
= | X | − | X | × | 1 5 | + | X | × | 8 665 |
= | 108 133 | X |
108 133 | X | = | 6107439 100 |
X | = | 6107439 100 | ÷ | 108 133 |
= | 6107439 100 | × | 133 108 |
= | 2035813 100 | × | 133 36 |
X | = | 270763129 3600 |
X | = | 75211.980278 |