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Natalija [7]
2 years ago
10

If there are12 books on a rack,a person has to choose 5books.

Mathematics
1 answer:
mojhsa [17]2 years ago
3 0

Answer:

330

11 choose 4

=\frac{11!}{4!\left(11-4\right)!}\\= 330

Step-by-step explanation:

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