| ( | 3 | − | 2 | t | ) | ÷ | ( | - | 4 | t | − | 6 | ) | = | ( | 2 | t | + | 3 | ) | ÷ | ( | 6 | − | t | ) |
| 方程两边同时乘以: | ( | - | 4 | t | − | 6 | ) | , | ( | 6 | − | t | ) |
| ( | 3 | − | 2 | t | ) | ( | 6 | − | t | ) | = | ( | 2 | t | + | 3 | ) | ( | - | 4 | t | − | 6 | ) |
| 3 | ( | 6 | − | t | ) | − | 2 | t | ( | 6 | − | t | ) | = | ( | 2 | t | + | 3 | ) | ( | - | 4 | t | − | 6 | ) |
| 3 | ( | 6 | − | t | ) | − | 2 | t | ( | 6 | − | t | ) | = | 2 | t | ( | - | 4 | t | − | 6 | ) | + | 3 | ( | - | 4 | t | − | 6 | ) |
| 3 | × | 6 | − | 3 | t | − | 2 | t | ( | 6 | − | t | ) | = | 2 | t | ( | - | 4 | t | − | 6 | ) | + | 3 | ( | - | 4 | t | − | 6 | ) |
| 3 | × | 6 | − | 3 | t | − | 2 | t | ( | 6 | − | t | ) | = | - | 2 | t | × | 4 | t | − | 2 | t | × | 6 | + | 3 | ( | - | 4 | t | − | 6 | ) |
| 18 | − | 3 | t | − | 2 | t | ( | 6 | − | t | ) | = | - | 8 | t | t | − | 12 | t | + | 3 | ( | - | 4 | t | − | 6 | ) |
| 18 | − | 3 | t | − | 2 | t | × | 6 | + | 2 | t | t | = | - | 8 | t | t | − | 12 | t | + | 3 | ( | - | 4 | t | − | 6 | ) |
| 18 | − | 3 | t | − | 2 | t | × | 6 | + | 2 | t | t | = | - | 8 | t | t | − | 12 | t | − | 3 | × | 4 | t | − | 3 | × | 6 |
| 18 | − | 3 | t | − | 12 | t | + | 2 | t | t | = | - | 8 | t | t | − | 12 | t | − | 12 | t | − | 18 |
| 18 | − | 15 | t | + | 2 | t | t | = | - | 8 | t | t | − | 24 | t | − | 18 |