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Gráfica
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Popular Examples
4nCr 1
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4nCr\:1
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8 choose 2
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8c2
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10 nCr 8
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10\:nCr\:8
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std 10,24,7,9,5,8,9,10,8,10
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std\:10,24,7,9,5,8,9,10,8,10
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12 nCr 2
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12\:nCr\:2
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