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Сколько трёхзначных чисел, цифры в которых не повторяются, можно составить из цифр 1, 5, 7, 8, 9
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Предмет:
Математика -
Автор:
kirby - 1 год назад
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Ответы 1
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Ответ:
60
Пошаговое объяснение:
на первом месте может сотоять 5 вариантов на 2 уже 4 на третьем 3. Перемножаем, получаем 60.
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Автор:
kaliholloway - 1 год назад
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2
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