Предмет: Математика, автор: Elihchc

На 3 должности отбирают 3 сотрудников фирмы из 9 кандидатур. Количество всевозможных вариантов назначения на должности равно

 

Ответы

Автор ответа: armen98
0

Ответ: C из 9 по 3, что равняется 9*8*7/6=84 способов

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