| 序号 | 题目:2,2,3,12 | |
|---|---|---|
| 1 | ((12 − 2) − 2) × 3 | |
| 2 | (12 − (2 + 2)) × 3 | |
| 3 | (12 × (3 − 2)) × 2 | |
| 4 | (12 × 2) × (3 − 2) | |
| 5 | (12 − (2 × 2)) × 3 | |
| 6 | 12 + ((2 + 2) × 3) | |
| 7 | 12 + ((3 × 2) × 2) | |
| 8 | 12 × (2 × (3 − 2)) | |
| 9 | 12 + ((2 × 2) × 3) | |
| 10 | ((12 ÷ 2) + 2) × 3 | |
| 11 | (12 ÷ (3 − 2)) × 2 | |
| 12 | (12 × 2) ÷ (3 − 2) | |
| 13 | 12 × (2 ÷ (3 − 2)) | |
| 14 | 12 × (3 − (2 ÷ 2)) | |
| 15 | 2 ÷ ((3 − 2) ÷ 12) | |
| 16 | 12 ÷ ((3 − 2) ÷ 2) | |
| 17 | 12 ÷ (2 − (3 ÷ 2)) | |