| 1 |
| 22-1 |
| 1 |
| 32-1 |
| 1 |
| 42-1 |
| 1 |
| (n+1)2-1 |
A、
| ||||||||
B、
| ||||||||
C、
| ||||||||
D、
|
| 1 |
| 22-1 |
| 1 |
| 32-1 |
| 1 |
| 42-1 |
| 1 |
| (n+1)2-1 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| n |
| 1 |
| n+2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| n |
| 1 |
| n+2 |
| 1 |
| 22-1 |
| 1 |
| 32-1 |
| 1 |
| 42-1 |
| 1 |
| (n+1)2-1 |
| 1 |
| (2+1)(2-1) |
| 1 |
| (3+1)(3-1) |
| 1 |
| (4+1)(4-1) |
| 1 |
| (n+1+1)(n+1-1) |
| 1 |
| 3×1 |
| 1 |
| 4×2 |
| 1 |
| 5×3 |
| 1 |
| (n+2)n |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| n |
| 1 |
| n+2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| n |
| 1 |
| n+2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| n+1 |
| 1 |
| n+2 |
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| n+1 |
| 1 |
| n+2 |
科目:高中數(shù)學 來源: 題型:
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| n2 |
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科目:高中數(shù)學 來源: 題型:
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| n2 |
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科目:高中數(shù)學 來源: 題型:
| lim |
| n→∞ |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| 4n2 |
| lim |
| n→∞ |
| an2-2n+1 |
| bn+2 |
| a |
| b |
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