| 1 | ÷ | ( | x | + | 2 | ) | + | 1 | ÷ | ( | x | + | 6 | ) | + | 3 | ÷ | ( | x | + | 9 | ) | + | 10 | ÷ | x | = | 9 |
| 方程两边同时乘以: | ( | x | + | 2 | ) |
| 1 | + | 1 | ÷ | ( | x | + | 6 | ) | × | ( | x | + | 2 | ) | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | + | 10 | ÷ | x | × | ( | x | + | 2 | ) | = | 9 | ( | x | + | 2 | ) |
| 1 | + | 1 | ÷ | ( | x | + | 6 | ) | × | x | + | 1 | ÷ | ( | x | + | 6 | ) | × | 2 | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | + | 10 | ÷ | x | = | 9 | ( | x | + | 2 | ) |
| 1 | + | 1 | ÷ | ( | x | + | 6 | ) | × | x | + | 1 | ÷ | ( | x | + | 6 | ) | × | 2 | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | + | 10 | ÷ | x | = | 9 | x | + | 9 | × | 2 |
| 1 | + | 1 | ÷ | ( | x | + | 6 | ) | × | x | + | 2 | ÷ | ( | x | + | 6 | ) | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | + | 10 | ÷ | x | × | ( | x | + | 2 | ) | = | 9 | x | + | 18 |
| 方程两边同时乘以: | ( | x | + | 6 | ) |
| 1 | ( | x | + | 6 | ) | + | 1 | x | + | 2 | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | ÷ | x | × | ( | x | + | 2 | ) | = | 9 | x | ( | x | + | 6 | ) | + | 18 | ( | x | + | 6 | ) |
| 1 | x | + | 1 | × | 6 | + | 1 | x | + | 2 | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | = | 9 | x | ( | x | + | 6 | ) | + | 18 | ( | x | + | 6 | ) |
| 1 | x | + | 1 | × | 6 | + | 1 | x | + | 2 | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | = | 9 | x | x | + | 9 | x | × | 6 | + | 18 | ( | x | + | 6 | ) |
| 1 | x | + | 6 | + | 1 | x | + | 2 | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | ÷ | x | = | 9 | x | x | + | 54 | x | + | 18 | ( | x | + | 6 | ) |
| 2 | x | + | 8 | + | 3 | ÷ | ( | x | + | 9 | ) | × | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | ÷ | x | × | ( | x | + | 2 | ) | ( | x | + | 6 | ) | = | 9 | x | x | + | 54 | x | + | 18 | ( | x | + | 6 | ) |
| 方程两边同时乘以: | ( | x | + | 9 | ) |
| 2 | x | ( | x | + | 9 | ) | + | 8 | ( | x | + | 9 | ) | + | 3 | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | ÷ | x | × | ( | x | + | 2 | ) | ( | x | + | 6 | ) | = | 9 | x | x | ( | x | + | 9 | ) | + | 54 | x | ( | x | + | 9 | ) | + | 18 | ( | x | + | 6 | ) | ( | x | + | 9 | ) |
| 2 | x | x | + | 2 | x | × | 9 | + | 8 | ( | x | + | 9 | ) | + | 3 | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | = | 9 | x | x | ( | x | + | 9 | ) | + | 54 | x | ( | x | + | 9 | ) | + | 18 | ( | x | + | 6 | ) | ( | x | + | 9 | ) |
| 2 | x | x | + | 2 | x | × | 9 | + | 8 | ( | x | + | 9 | ) | + | 3 | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | = | 9 | x | x | x | + | 9 | x | x | × | 9 | + | 54 | x | ( | x | + | 9 | ) | + | 18 |
| 2 | x | x | + | 18 | x | + | 8 | ( | x | + | 9 | ) | + | 3 | ( | x | + | 2 | ) | ( | x | + | 6 | ) | + | 10 | ÷ | x | = | 9 | x | x | x | + | 81 | x | x | + | 54 | x | ( | x | + | 9 | ) | + | 18 | ( | x | + | 6 | ) |
| 方程两边同时乘以: | x |
| 2 | x | x | x | + | 18 | x | x | + | 8 | ( | x | + | 9 | ) | x | + | 3 | ( | x | + | 2 | ) | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | ( | x | + | 9 | ) |
| 2 | x | x | x | + | 18 | x | x | + | 8 | x | x | + | 8 | × | 9 | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | ( | x | + | 9 | ) |
| 2 | x | x | x | + | 18 | x | x | + | 8 | x | x | + | 8 | × | 9 | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | x |
| 2 | x | x | x | + | 18 | x | x | + | 8 | x | x | + | 72 | x | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | x |
| 2 | x | x | x | + | 18 | x | x | + | 8 | x | x | + | 72 | x | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | x |
| 2 | x | x | x | + | 18 | x | x | + | 8 | x | x | + | 72 | x | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | x |
| 2 | x | x | x | + | 18 | x | x | + | 8 | x | x | + | 72 | x | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | x |
| 2 | x | x | x | + | 18 | x | x | + | 8 | x | x | + | 72 | x | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | x |
| 2 | x | x | x | + | 18 | x | x | + | 8 | x | x | + | 72 | x | = | 9 | x | x | x | x | + | 81 | x | x | x | + | 54 | x | x |