| ( | ( | p | + | 1 | ) | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ) | ÷ | 6 | + | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ÷ | 3 | × | p | × | 3 | p | + | ( | 8 | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ÷ | 9 | × | p | ) | = | 2 | ÷ | 3 | + | p | − | 2 | ÷ | p |
| 方程两边同时乘以: | p |
| ( | ( | p | + | 1 | ) | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ) | ÷ | 6 | × | p | + | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ÷ | 3 | × | p | × | 3 | p | p | + | ( | 8 | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ÷ | 9 | × | p | ) | p | = | 2 | ÷ | 3 | × | p | + | p | p | − | 2 |
| ( | p | + | 1 | ) | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ÷ | 6 | × | p | + | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ÷ | 3 | × | p | × | 3 | p | p | + | ( | 8 | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ÷ | 9 | × | p | ) | p | = | 2 | ÷ | 3 | × | p | + | p | p | − | 2 |
| ( | p | + | 1 | ) | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | × | 1 6 | p | + | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | × | 1 | p | p | p | + | ( | 8 | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | ÷ | 9 | × | p | ) | p | = | 2 3 | p | + | p | p | − | 2 |
| p | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | × | 1 6 | p | + | 1 | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | × | 1 6 | p | + | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | × | 1 | p | p | = | 2 3 | p | + | p | p | − | 2 |
| p | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | × | 1 6 | p | + | 1 6 | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | p | + | ( | 7 | p | + | 3 | p | × | 3 | p | − | 6 | ) | × | 1 | p | p | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 | p | × | 1 6 | p | + | p | × | 3 | p | × | 3 | p | × | 1 6 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |
| p | × | 7 6 | p | p | + | p | × | 3 2 | p | p | p | − | p | × | 1 | p | = | 2 3 | p | + | p | p | − | 2 |