Предмет: Математика, автор: jgraudinja

Сколько различных четырехначных чисел можно записать с помощью цифр 0 и 8?

Ответы

Автор ответа: Guppy2016
4

Число не может начинаться с 0, значит на первом месте может стоять только 8, т.е 1 вариант.

На втором, третьем и четвертом местах может стоять любая цифра, т.е по 2 варианта

1*2*2*2=8

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