Предмет: Алгебра, автор: karratusha

Турист планирует маршрут путешествия. Он хочет побывать в Москве, Санкт-Петербурге, Екатеринбурге и Казани, но пока не знает последовательность посещения городов. Сколько различных вариантов маршрута он может составить?

Ответы

Автор ответа: KowTia

Объяснение:

Для этого туриста существует 24 различных способа составить маршрут, так как он может посетить города в любой последовательности из 4! (четыре факториала) возможных перестановок. 4! = 4 x 3 x 2 x 1 = 24.

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