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Gráfica
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Popular Examples
7 choose 2
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7c2
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std 57,62,84,85,88,66,59,77,78,93
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std\:57,62,84,85,88,66,59,77,78,93
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8 nCr 4
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8\:nCr\:4
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std 12,6,7,3,15,10,18,5
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std\:12,6,7,3,15,10,18,5
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10 choose 3
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10c3
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