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Mathematics, 03.03.2021 14:00 emocow

Question 7.4 Find the number of 4–element subsets taken from the set {1, 2, 3, . . . , 15}, and such that they do not contain consecutive integers.

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Question 7.4 Find the number of 4–element subsets taken from the set {1, 2, 3, . . . , 15}, and suc...
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