Предмет: Математика, автор: роня10

сколько различных четырехзначных чисел можно записать с помощью цыфр1,2,3,4,если каждая цифра при записи числа используется только один раз

Ответы

Автор ответа: LadyDi5

0

Нужно найти факториал. То есть:
1×2×3×4=24 способа перестановки этих чисел

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