수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] [조합] 파이로 도배된 세상이란?

원파 2020.08.03 10:04 조회 563

문제 푼 사람 1명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

'파이'는 아래 4 가지 표기법으로 표기 가능하다고 합니다.

1. 파이 (한국어)

2. pie (영어)

3. $\pi$ (LaTeX 수식 편집기)

4. 파2 (한국어와 숫자가 혼용된 표기)

그렇다면 '파이'를 n번 언급할 경우 가능한 가짓수를 n에 대한 식으로 구해봅시다.

(단, 같은 두 표기는 연속해서 사용할 수 없습니다.)

이전글 [창의] 튜브 탈출

다음글 [대수] 책 정리

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SCT Lv.3 2020.08.03 18:39 비밀댓글

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조이 Lv.8 2020.08.05 05:51 비밀댓글

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