2247619 1000000 | = | 1 | + | ( | x | ÷ | 1500 | ) | + | ( | 150 | ÷ | x | ) | + | ( | 180 | ÷ | x | ) |
2247619 1000000 | = | 1 | + | x | ÷ | 1500 | + | ( | 150 | ÷ | x | ) | + | ( | 180 | ÷ | x | ) |
2247619 1000000 | = | 1 | + | 1 1500 | x | + | 150 | ÷ | x | + | ( | 180 | ÷ | x | ) |
方程两边同时乘以: | x |
2247619 1000000 | x | = | 1 | x | + | 1 1500 | x | x | + | 150 | + | ( | 180 | ÷ | x | ) | x |
2247619 1000000 | x | = | 1 | x | + | 1 1500 | x | x | + | 150 | + | 180 | ÷ | x | × | x |