20000 | ÷ | ( | X | + | 112 5 | ) | + | 7600 | ÷ | ( | X | + | 336 25 | ) | = | 150 |
方程两边同时乘以: | ( | X | + | 112 5 | ) |
20000 | + | 7600 | ÷ | ( | X | + | 336 25 | ) | × | ( | X | + | 112 5 | ) | = | 150 | ( | X | + | 112 5 | ) |
20000 | + | 7600 | ÷ | ( | X | + | 336 25 | ) | × | X | + | 7600 | ÷ | ( | X | + | 336 25 | ) | × | 112 5 | = | 150 | ( | X | + | 112 5 | ) |
20000 | + | 7600 | ÷ | ( | X | + | 336 25 | ) | × | X | + | 7600 | ÷ | ( | X | + | 336 25 | ) | × | 112 5 | = | 150 | X | + | 150 | × | 112 5 |
20000 | + | 7600 | ÷ | ( | X | + | 336 25 | ) | × | X | + | 170240 | ÷ | ( | X | + | 336 25 | ) | = | 150 | X | + | 3360 |
方程两边同时乘以: | ( | X | + | 336 25 | ) |
20000 | ( | X | + | 336 25 | ) | + | 7600 | X | + | 170240 | = | 150 | X | ( | X | + | 336 25 | ) | + | 3360 | ( | X | + | 336 25 | ) |
20000 | X | + | 20000 | × | 336 25 | + | 7600 | X | + | 170240 | = | 150 | X | ( | X | + | 336 25 | ) | + | 3360 | ( | X | + | 336 25 | ) |
20000 | X | + | 20000 | × | 336 25 | + | 7600 | X | + | 170240 | = | 150 | X | X | + | 150 | X | × | 336 25 | + | 3360 | ( | X | + | 336 25 | ) |
20000 | X | + | 268800 | + | 7600 | X | + | 170240 | = | 150 | X | X | + | 2016 | X | + | 3360 | ( | X | + | 336 25 | ) |
27600 | X | + | 439040 | = | 150 | X | X | + | 2016 | X | + | 3360 | ( | X | + | 336 25 | ) |
27600 | X | + | 439040 | = | 150 | X | X | + | 2016 | X | + | 3360 | X | + | 3360 | × | 336 25 |
27600 | X | + | 439040 | = | 150 | X | X | + | 2016 | X | + | 3360 | X | + | 225792 5 |
27600 | X | + | 439040 | = | 150 | X | X | + | 5376 | X | + | 225792 5 |