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