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