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