题目列表(包括答案和解析)
| ∫ | π -π |
| C | r+1 n+1 |
| C | r+1 n |
| C | r n |
| 1 |
| n+1 |
| 1 |
| n+2 |
| 1 |
| n+3 |
| 1 |
| 2n |
| 13 |
| 24 |
| 1 |
| k+1 |
| 1 |
| k+2 |
| 1 |
| k+3 |
| 1 |
| 2k |
| 1 |
| 2k+1 |
| 1 |
| 2(k+1) |
| 13 |
| 24 |
| ∫ | π-π |
| C | r+1n+1 |
| C | r+1n |
| C | rn |
| 1 |
| n+1 |
| 1 |
| n+2 |
| 1 |
| n+3 |
| 1 |
| 2n |
| 13 |
| 24 |
| 1 |
| k+1 |
| 1 |
| k+2 |
| 1 |
| k+3 |
| 1 |
| 2k |
| 1 |
| 2k+1 |
| 1 |
| 2(k+1) |
| 13 |
| 24 |
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