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