Предмет: Алгебра, автор: ОльгаБровко

Сколько существует 3-х значных чисел , кратных5, две первые цифры которых: 1) нечетные; 2) нечетные различные; 3) четные; 4) четные различные.

Ответы

Автор ответа: slavan

Ответ: 50 чисел

Ответ: 40 чисел

Ответ: 49 чисел

Ответ: 40 чисел

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