Предмет: Математика, автор: poton018

на парковці є 10 паркомісць , на неї заїзджають 3 машини. Скільки всього є варіантів вибору паркомісць для цих авто?

Ответы

Автор ответа: liftec74

1

Ответ: =120

Пошаговое объяснение:

С(10;3) = 10!/(7!*3!)=8*9*10/(2*3)=4*3*10=120

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