| 4 |
| 5 |
| 4 |
| 5 |
| m-2 |
| m |
| 1 |
| 2 |
| 2 |
| 5 |
| 3 |
| 10 |
| 4 |
| 17 |
| 5 |
| 26 |
| 5 |
| 26 |
| 1 |
| 1-4 |
| 7 |
| 7-4 |
| 2 |
| 2-4 |
| 6 |
| 6-4 |
| 3 |
| 3-4 |
| 5 |
| 5-4 |
| 10 |
| 10-4 |
| -2 |
| -2-4 |
| 19 |
| 19-4 |
| n |
| m-4 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 10 |
| 1 |
| 10 |
| 1 |
| 2012 |
| 1 |
| a-1 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 20 |
| 1 |
| 9 |
| 1 |
| n |
从数-3出发,顺次经过每一个岔口,选择+、一、×、÷四种运算之一进行运算,到达目的地时,输出结果,共能输出16个结果.