| 序号 | 题目:5,8,10,11 | |
|---|---|---|
| 1 | ((11 + 10) + 8) − 5 | |
| 2 | ((10 + 8) + 11) − 5 | |
| 3 | ((11 + 10) − 5) + 8 | |
| 4 | ((10 + 8) − 5) + 11 | |
| 5 | ((11 + 8) − 5) + 10 | |
| 6 | ((11 + 8) + 10) − 5 | |
| 7 | (10 + (11 − 5)) + 8 | |
| 8 | (11 + 10) + (8 − 5) | |
| 9 | (10 + 8) + (11 − 5) | |
| 10 | (11 + (8 − 5)) + 10 | |
| 11 | (11 + 8) + (10 − 5) | |
| 12 | (11 + (10 − 5)) + 8 | |
| 13 | (8 + (10 − 5)) + 11 | |
| 14 | (8 + (11 − 5)) + 10 | |
| 15 | (10 + (8 − 5)) + 11 | |