261 5000 | ( | a | − | 93 1000 | ) | ÷ | ( | 1 | + | a | ) | = | 51 5000 |
方程两边同时乘以: | ( | 1 | + | a | ) |
261 5000 | ( | a | − | 93 1000 | ) | = | 51 5000 | ( | 1 | + | a | ) |
261 5000 | a | − | 261 5000 | × | 93 1000 | = | 51 5000 | ( | 1 | + | a | ) |
261 5000 | a | − | 261 5000 | × | 93 1000 | = | 51 5000 | × | 1 | + | 51 5000 | a |
261 5000 | a | − | 24273 5000000 | = | 51 5000 | + | 51 5000 | a |
261 5000 | a | − | 51 5000 | a | = | 51 5000 | + | 24273 5000000 |
21 500 | a | = | 51 5000 | + | 24273 5000000 |