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| ξ | 0 | 1 | 2 | 3 | ||||||||
| P(ξ) |
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|
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| 4 |
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| 13 |
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科目:高中數(shù)學 來源: 題型:
| |AF| | |BF| |
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科目:高中數(shù)學 來源: 題型:
| π |
| 2 |
| π |
| 4 |
| 1 |
| 7 |
|
|
|
|
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科目:高中數(shù)學 來源: 題型:
| π |
| 2 |
|
|
|
|
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科目:高中數(shù)學 來源: 題型:
| 2 |
| 3 |
| 2 |
| 3 |
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科目:高中數(shù)學 來源: 題型:
|
| n |
| i=1 |
| n |
| j=1 |
| n |
| i=1 |
| n |
| i |
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