题目列表(包括答案和解析)
| nπ |
| 2 |
| nπ |
| 2 |
| =y | 2 n |
| 1 | ||
|
| 1 | ||
|
| 1 | ||
|
| bn+1 |
| (n+1) |
| bn |
| n2 |
| 1 |
| n2 |
| 1 |
| b1 |
| 1 |
| b2 |
| 1 |
| b3 |
| 1 |
| bn |
| Sn•Sn+2 |
| 4 |
| 15 |
| 4 |
| 5 |
| 2 |
| 5 |
| CD |
| C′D′ |
| DE |
| D′E′ |
| O | ′ 1 |
| O | ′ 2 |
| O | ′ 1 |
| O | ′ 1 |
| O | ′ 1 |
| O | ′ 1 |
| O | ′ 2 |
| 2x | 4x+1 |
| 1 |
| 4 |
| 1 |
| 12 |
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