| x2 |
| a2 |
| y2 |
| b2 |
| x2 |
| a2 |
| y2 |
| b2 |
| x2 |
| 4 |
| y2 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| FN1 |
| FN2 |
| FS |
| FN1 |
| FN2 |
| a2+b2 |
| a2-b2 |
| a2+b2 |
| a2-b2 |
| b2 |
| a2 |
| 3 |
| 5 |
| ||
| 5 |
| y0 |
| x0+2 |
| -y0 |
| x0-2 |
|
| x2 |
| 4 |
| y2 |
| 2 |
| ||
| 4 |
| ||
| 2 |
| x2 |
| 4 |
| y2 |
| 2 |
| 2 |
| 2 |
|
| 2 |
| 2 |
2
| ||
| 1-k2 |
| 2k2+1 |
| 1-k2 |
| FN1 |
| FN2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 2k2+1 |
| 1-k2 |
| 2 |
2
| ||
| 1-k2 |
| 1+k2 |
| 1-k2 |
| 1 |
| 4 |
| 1 |
| 4 |
| ||
| 2 |
| 1+k2 |
| 1-k2 |
| 2 |
| 2 |
| 2 |
| SF |
| 2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| FN1 |
| FN2 |
| FS |
科目:高中数学 来源: 题型:
| 1 |
| 2 |
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科目:高中数学 来源: 题型:
| x |
| y |
| x |
| 4 |
| y |
| 2 |
| lim |
| n→∞ |
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科目:高中数学 来源: 题型:
| c1 |
| 2 |
| c2 |
| 22 |
| cn |
| 2n |
| an+1 |
| an |
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