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| x2 |
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| 4 |
| 3 |
| 1 |
| 3 |
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| 2 |
| c |
| a |
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3
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| (1+k2)x1 2 |
| 1 |
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| 1 |
| x2 2 |
| (x1+x2)2-2x1x2 |
| x1 2x2 2 |
| x2 |
| 2 |
| 3 |
| 2 |
| 8k |
| 2k2+1 |
| 6 |
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科目:高中數(shù)學(xué) 來源: 題型:
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| |OQ|2 |
| 1 |
| |OM|2 |
| 1 |
| |ON|2 |
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