Mathematics, 27.02.2020 07:08 lunax7x7

25. Task Assignments How many ways can an adviser choose 4 students from a class of 12 if they are all assigned the same task? How many ways can the students be chosen if they are each given a different task?

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25. Task Assignments How many ways can an adviser choose 4 students from a class of 12 if they are a...