Предмет: Математика, автор: 5872368995

в книжном магазине в продаже имеется 5 разных книг сказок, 3 книги стихов и 2 книги рассказов. Сколькими способами из этих книг можно выбрать одну книгу сказок,одну книгу стихов и одну книгу рассказов?

Ответы

Автор ответа: chervinskiroma

Ответ:

Всего 30 комбинаций выбора по одной книге

chervinskiroma: Рассказов 2

chervinskiroma: Z1;Z2

chervinskiroma: 1)X1Y1Z1

chervinskiroma: 2)X1Y2Z1

chervinskiroma: 3)X1Y3Z1

chervinskiroma: 4)X1Y1Z2

chervinskiroma: 5)X1Y2Z2

chervinskiroma: 6)X1Y3Z2

chervinskiroma: И так соответственно 5 раз

chervinskiroma: Из этого следует 6*5=30

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