題目列表(包括答案和解析)
| lim |
| n→∞ |
| 1 |
| S1 |
| 1 |
| S2 |
| 1 |
| Sn |
| 11 |
| 9 |
| λ |
| 2n |
| 1 |
| 6 |
| n |
| k=1 |
| 2-k |
| (ak+1)(ak+1+1) |
| 1 |
| 2 |
| λ |
| 2n |
| 2-n |
| (an+1)(an+1+1) |
| 1 |
| 6 |
| 1 |
| 3 |
| 2 |
| (a1+1)(a2+1) |
| 22 |
| (a2+1)(a3+1) |
| 23 |
| (a3+1)(a4+1) |
| 2n |
| (an+1)(an+1+1) |
| λ | 2n |
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