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