( | 7600 | ÷ | x | + | 10000 | ÷ | ( | x | + | 112 5 | ) | + | 10000 | ÷ | x | ) | = | 150 |
7600 | ÷ | x | + | 10000 | ÷ | ( | x | + | 112 5 | ) | + | 10000 | ÷ | x | = | 150 |
方程两边同时乘以: | x |
7600 | + | 10000 | ÷ | ( | x | + | 112 5 | ) | × | x | + | 10000 | ÷ | 1 | × | 1 | = | 150 | x |
方程两边同时乘以: | ( | x | + | 112 5 | ) |
7600 | ( | x | + | 112 5 | ) | + | 10000 | x | + | 10000 | ÷ | 1 | × | 1 | ( | x | + | 112 5 | ) | = | 150 | x | ( | x | + | 112 5 | ) |
7600 | x | + | 7600 | × | 112 5 | + | 10000 | x | + | 10000 | ÷ | 1 | × | 1 | ( | x | + | 112 5 | ) | = | 150 | x | ( | x | + | 112 5 | ) |
7600 | x | + | 7600 | × | 112 5 | + | 10000 | x | + | 10000 | ÷ | 1 | × | 1 | ( | x | + | 112 5 | ) | = | 150 | x | x | + | 150 | x | × | 112 5 |
7600 | x | + | 170240 | + | 10000 | x | + | 10000 | ( | x | + | 112 5 | ) | = | 150 | x | x | + | 3360 | x |
17600 | x | + | 170240 | + | 10000 | ( | x | + | 112 5 | ) | = | 150 | x | x | + | 3360 | x |
17600 | x | + | 170240 | + | 10000 | x | + | 10000 | × | 112 5 | = | 150 | x | x | + | 3360 | x |
17600 | x | + | 170240 | + | 10000 | x | + | 224000 | = | 150 | x | x | + | 3360 | x |
27600 | x | + | 394240 | = | 150 | x | x | + | 3360 | x |