题目列表(包括答案和解析)
|
| 1 |
| 2y1 |
| 1 |
| 2y2 |
| 1 |
| 2y3 |
| 1 |
| 2yn |
| y | 2 _ |
| 1 | ||
|
| 1 | ||
|
| 1 | ||
|
| 1 | ||
|
| a | 2 n |
| 1 |
| 2 |
| 12 |
| a1 |
| 22 |
| a2 |
| 32 |
| a3 |
| n2 |
| an |
| 9 |
| 4 |
| 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 |
| 2x2+1 |
| 2n |
| an+an+1 |
| lim |
| n→∞ |
| bn•Sn |
| (an)2 |
2 n |
| 1 |
| a1 |
| 1 |
| 2a2 |
| 1 |
| 3a3 |
| 1 |
| nan |
| 3 |
| 4 |
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