Предмет: Математика, автор: karkos0275

Сколько четырёхзначных чисел кратных 10 можно составить из цифр 0 5 7 8 9

Ответы

Автор ответа: 25hjoerf10

Если числа не повторяются, то:
5780, 5790, 5870, 5890, 5980, 5970, 7580, 7590, 7850, 7890, 7950, 7980, 8570, 8590, 8750, 8790, 8950, 8970, 9570, 9580, 9750, 9780, 9850, 9870.
Всего 24 четырёхзначных числа.

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