( | - | 360000 | − | 3600 | x | ) | ÷ | ( | 181800000 | + | 180 | x | ) | = | 1 400 |
方程两边同时乘以: | ( | 181800000 | + | 180 | x | ) |
( | - | 360000 | − | 3600 | x | ) | = | 1 400 | ( | 181800000 | + | 180 | x | ) |
- | 360000 | − | 3600 | x | = | 1 400 | ( | 181800000 | + | 180 | x | ) |
- | 360000 | − | 3600 | x | = | 1 400 | × | 181800000 | + | 1 400 | × | 180 | x |
- | 360000 | − | 3600 | x | = | 454500 | + | 9 20 | x |
- | 3600 | x | − | 9 20 | x | = | 454500 | + | 360000 |
- | 72009 20 | x | = | 454500 | + | 360000 |
- | 72009 20 | x | = | 814500 |
- | 814500 | = | 72009 20 | x |
72009 20 | x | = | - | 814500 |
x | = | - | 814500 | ÷ | 72009 20 |
= | - | 814500 | × | 20 72009 |
= | - | 90500 | × | 20 8001 |
x | = | - | 1810000 8001 |
x | = | - 226.221722 |