Хорошая задачка
Oct. 11th, 2019 05:22 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
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Мне повезло: у меня случился инсайт, и процесс решения занял секунд 10.
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An auditorium with 200 seats, numbered from 1 to 200, is filled to capacity. A speaker, who happens to be a mathematician, steps up to the podium overlooking the audience and pauses for a moment. “You know,” she says, “I’m thinking of a rather large whole number. Every seat number in this auditorium evenly divides my number, except for two of them — and those two seats happen to be next to each other.”
As you’d expect, adjacent seats in the auditorium have consecutive numbers. Which two numbers was the speaker referring to?
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no subject
Date: 2019-10-12 01:13 am (UTC)no subject
Date: 2019-10-12 02:46 am (UTC)