7500 | ÷ | ( | 112 | × | 3 25 | + | x | ) | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | = | 150 |
方程两边同时乘以: | ( | 112 | × | 3 25 | + | x | ) |
7500 | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | ( | 112 | × | 3 25 | + | x | ) | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | ( | 112 | × | 3 25 | + | x | ) | = | 150 | ( | 112 | × | 3 25 | + | x | ) |
7500 | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | 112 | × | 3 25 | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | x | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | ( | 112 | × | 3 25 | + | x | ) | = | 150 | ( | 112 | × | 3 25 | + | x | ) |
7500 | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | 112 | × | 3 25 | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | x | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | ( | 112 | × | 3 25 | + | x | ) | = | 150 | × | 112 | × | 3 25 | + | 150 | x |
7500 | + | 134400 | ÷ | ( | 112 | × | 1 5 | + | x | ) | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | x | + | 10000 | ÷ | ( | 112 | × | 1 5 | + | x | ) | × | ( | 112 | × | 3 25 | + | x | ) | = | 2016 | + | 150 | x |
方程两边同时乘以: | ( | 112 | × | 1 5 | + | x | ) |
7500 | ( | 112 | × | 1 5 | + | x | ) | + | 134400 | + | 10000 | x | + | 10000 | ( | 112 | × | 3 25 | + | x | ) | = | 2016 | ( | 112 | × | 1 5 | + | x | ) | + | 150 | x | ( | 112 | × | 1 5 | + | x | ) |
7500 | × | 112 | × | 1 5 | + | 7500 | x | + | 134400 | + | 10000 | x | + | 10000 | ( | 112 | × | 3 25 | + | x | ) | = | 2016 | ( | 112 | × | 1 5 | + | x | ) | + | 150 | x | ( | 112 | × | 1 5 | + | x | ) |
7500 | × | 112 | × | 1 5 | + | 7500 | x | + | 134400 | + | 10000 | x | + | 10000 | ( | 112 | × | 3 25 | + | x | ) | = | 2016 | × | 112 | × | 1 5 | + | 2016 | x | + | 150 | x | ( | 112 | × | 1 5 | + | x | ) |
168000 | + | 7500 | x | + | 134400 | + | 10000 | x | + | 10000 | ( | 112 | × | 3 25 | + | x | ) | = | 225792 5 | + | 2016 | x | + | 150 | x | ( | 112 | × | 1 5 | + | x | ) |
302400 | + | 17500 | x | + | 10000 | ( | 112 | × | 3 25 | + | x | ) | = | 225792 5 | + | 2016 | x | + | 150 | x | ( | 112 | × | 1 5 | + | x | ) |
302400 | + | 17500 | x | + | 10000 | × | 112 | × | 3 25 | + | 10000 | x | = | 225792 5 | + | 2016 | x | + | 150 | x | ( | 112 | × | 1 5 | + | x | ) |
302400 | + | 17500 | x | + | 10000 | × | 112 | × | 3 25 | + | 10000 | x | = | 225792 5 | + | 2016 | x | + | 150 | x | × | 112 | × | 1 5 | + | 150 | x | x |
302400 | + | 17500 | x | + | 134400 | + | 10000 | x | = | 225792 5 | + | 2016 | x | + | 3360 | x | + | 150 | x | x |
436800 | + | 27500 | x | = | 225792 5 | + | 5376 | x | + | 150 | x | x |