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