| ( | x | ÷ | ( | x | + | 1 | ) | ) | × | 4821 10000 | + | ( | 49 50 | ÷ | ( | x | + | 1 | ) | ) | = | 7011 10000 |
| x | ÷ | ( | x | + | 1 | ) | × | 4821 10000 | + | ( | 49 50 | ÷ | ( | x | + | 1 | ) | ) | = | 7011 10000 |
| 方程两边同时乘以: | ( | x | + | 1 | ) |
| x | × | 4821 10000 | + | ( | 49 50 | ÷ | ( | x | + | 1 | ) | ) | ( | x | + | 1 | ) | = | 7011 10000 | ( | x | + | 1 | ) |
| x | × | 4821 10000 | + | 49 50 | ÷ | ( | x | + | 1 | ) | × | ( | x | + | 1 | ) | = | 7011 10000 | ( | x | + | 1 | ) |
| x | × | 4821 10000 | + | 49 50 | ÷ | ( | x | + | 1 | ) | × | ( | x | + | 1 | ) | = | 7011 10000 | x | + | 7011 10000 | × | 1 |
| x | × | 4821 10000 | + | 49 50 | ÷ | ( | x | + | 1 | ) | × | ( | x | + | 1 | ) | = | 7011 10000 | x | + | 7011 10000 |
| 方程两边同时乘以: | ( | x | + | 1 | ) |
4821 10000 | x | ( | x | + | 1 | ) | + | 49 50 | ( | x | + | 1 | ) | = | 7011 10000 | x | ( | x | + | 1 | ) | + | 7011 10000 | ( | x | + | 1 | ) |
4821 10000 | x | x | + | 4821 10000 | x | × | 1 | + | 49 50 | ( | x | + | 1 | ) | = | 7011 10000 | x | ( | x | + | 1 | ) | + | 7011 10000 | ( | x | + | 1 | ) |
4821 10000 | x | x | + | 4821 10000 | x | × | 1 | + | 49 50 | ( | x | + | 1 | ) | = | 7011 10000 | x | x | + | 7011 10000 | x | × | 1 | + | 7011 10000 | ( | x | + | 1 | ) |
4821 10000 | x | x | + | 4821 10000 | x | + | 49 50 | ( | x | + | 1 | ) | = | 7011 10000 | x | x | + | 7011 10000 | x | + | 7011 10000 | ( | x | + | 1 | ) |
4821 10000 | x | x | + | 4821 10000 | x | + | 49 50 | x | + | 49 50 | × | 1 | = | 7011 10000 | x | x | + | 7011 10000 | x | + | 7011 10000 | ( | x | + | 1 | ) |
4821 10000 | x | x | + | 4821 10000 | x | + | 49 50 | x | + | 49 50 | × | 1 | = | 7011 10000 | x | x | + | 7011 10000 | x | + | 7011 10000 | x | + | 7011 10000 | × | 1 |
4821 10000 | x | x | + | 4821 10000 | x | + | 49 50 | x | + | 49 50 | = | 7011 10000 | x | x | + | 7011 10000 | x | + | 7011 10000 | x | + | 7011 10000 |
4821 10000 | x | x | + | 14621 10000 | x | + | 49 50 | = | 7011 10000 | x | x | + | 7011 5000 | x | + | 7011 10000 |