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Mathematics, 21.07.2019 23:30 nsuleban5016
Aprofessor wants to arrange his books on a shelf. he has 30 books and only space on the shelf for 20 of them. how many different 20-book arrangements can he make using the 30 books? this is an example of a problem that can be solved using which method?
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Aprofessor wants to arrange his books on a shelf. he has 30 books and only space on the shelf for 20...
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