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