| an+1 |
| an |
| an |
| an-1 |
| a1+k |
| a1 |
| a2+k |
| a2 |
| an+k |
| an |
| λk |
| 1-λk |
| an+1 |
| an |
| an |
| an-1 |
| an+1 |
| an |
| an+1 |
| an |
| an+1 |
| an |
| a2 |
| a1 |
| a3 |
| a2 |
| a4 |
| a3 |
| an |
| an-1 |
| an |
| a1 |
| (n-1)(n-2) |
| 2 |
| (n-1)(n-2) |
| 2 |
| an+k |
| an |
| (n+k-1)(n+k-2) |
| 2 |
| (n-1)(n-2) |
| 2 |
| k2-3k+2nk |
| 2 |
| a1+k |
| a1 |
| a2+k |
| a2 |
| an+k |
| an |
| k2-3k |
| 2 |
| k2-3k |
| 2 |
| λk |
| 1-λk |
| k2-3k |
| 2 |
| k2-3k |
| 2 |
| a1+k |
| a1 |
| a2+k |
| a2 |
| an+k |
| an |
| k2-3k |
| 2 |
| λk |
| 1-λk |
| λk |
| 1-λk |
科目:高中数学 来源: 题型:
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