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