题目内容
在横线里填上“+”或“-”.
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| 1 |
| 8 |
| 1 |
| 4 |
| 3 |
| 8 |
| 3 |
| 5 |
| 3 |
| 10 |
| 3 |
| 10 |
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
| 2 |
| 5 |
| 1 |
| 3 |
| 11 |
| 15 |
| 2 |
| 7 |
| 1 |
| 2 |
| 11 |
| 14 |
| 5 |
| 8 |
| 1 |
| 6 |
| 11 |
| 24 |
故答案为:+,-,-,+,+,+.
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