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Popular Examples
11 choose 4
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11C4
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std 11,25,7,30
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std\:11,25,7,30
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rango 2,5,1,6,8,4,9,6,3,6
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range\:2,5,1,6,8,4,9,6,3,6
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C(4,2)
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C(4,2)
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7 nCr 3
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7\:nCr\:3
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