| p | × | 1 | = | 16 25 | p | × | 1 | + | 1 5 | p | × | 2 | + | 4 25 | p | × | 3 |
| 方程右边 = | 16 25 | p | + | 2 5 | p | + | 12 25 | p |
| = | 38 25 | p |
| 1 | p | = | 38 25 | p |
| 1 | p | − | 38 25 | p | = | 0 |
| - | 13 25 | p | = | 0 |
| - | 0 | = | 13 25 | p |
13 25 | p | = | - | 0 |
| p | = | - | 0 | ÷ | 13 25 |
| = | - | 0 | × | 25 13 |
| p | = | 0 |
| p | × | 2 | = | 2 25 | p | × | 1 | + | 9 10 | p | × | 2 | + | 1 50 | p | × | 3 |
| 方程右边 = | 2 25 | p | + | 9 5 | p | + | 3 50 | p |
| = | 97 50 | p |
| 2 | p | = | 97 50 | p |
| 2 | p | − | 97 50 | p | = | 0 |
3 50 | p | = | 0 |
| p | = | 0 | ÷ | 3 50 |
| = | 0 | × | 50 3 |
| p | = | 0 |
| p | × | 3 | = | 6 25 | p | × | 1 | + | 7 10 | p | × | 2 | + | 3 50 | p | × | 3 |
| 方程右边 = | 6 25 | p | + | 7 5 | p | + | 9 50 | p |
| = | 91 50 | p |
| 3 | p | = | 91 50 | p |
| 3 | p | − | 91 50 | p | = | 0 |
59 50 | p | = | 0 |
| p | = | 0 | ÷ | 59 50 |
| = | 0 | × | 50 59 |
| p | = | 0 |
| p | × | 1 | + | p | × | 2 | + | p | × | 3 | = | 1 |
| 方程左边 = | 6 | p |
| 6 | p | = | 1 |
| p | = | 1 | ÷ | 6 |
| = | 1 | × | 1 6 |
| p | = | 1 6 |
| p | = | 0.166667 |