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