| 序号 | 题目:6,9,10,11 | |
|---|---|---|
| 1 | ((10 + 9) + 11) − 6 | |
| 2 | ((11 + 10) + 9) − 6 | |
| 3 | ((10 + 9) − 6) + 11 | |
| 4 | ((11 + 10) − 6) + 9 | |
| 5 | ((11 + 9) − 6) + 10 | |
| 6 | ((11 + 9) + 10) − 6 | |
| 7 | (9 + (11 − 6)) + 10 | |
| 8 | (11 + (9 − 6)) + 10 | |
| 9 | (11 + 10) + (9 − 6) | |
| 10 | (11 + 9) + (10 − 6) | |
| 11 | (10 + (11 − 6)) + 9 | |
| 12 | (10 + 9) + (11 − 6) | |
| 13 | (9 + (10 − 6)) + 11 | |
| 14 | (11 + (10 − 6)) + 9 | |
| 15 | (10 × 9) − (11 × 6) | |
| 16 | (10 + (9 − 6)) + 11 | |