Предмет: Математика, автор: darina270720031

На доске написаны 400 натуральных чисел. Оказалось, что произведение любых 21 из них кратно 30. Какое наименьшее количество чисел, кратных 30, может быть на доске?

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Автор ответа: КсюшкаСобчак

может быть минимум 1

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