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