수학동아 - 폴리매스

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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: mkdir

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: getLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: file_put_contents

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: getLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: mkdir

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: getLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: file_put_contents

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: getLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
Line: 585
Function: parseLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: initBoardView

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
Line: 315
Function: require_once

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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
Line: 202
Function: mkdir

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
Line: 236
Function: getLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
Line: 585
Function: parseLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: initBoardView

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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: file_put_contents

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: getLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: parseLatexImg

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 여려분의 실력을 테스트하기 위한 문제-(1)

여백 패르마 2020.07.06 05:58 조회 600

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

캬캬캬 여백 페르마 악마가 욌다...

폴리매스 유저이 실력을 테스트하기 위해 왔다. 이제...이 문제를 풀어보거라!

6점짜리 조합문제:

함수 $f$ 는 집합 $1,2,3,4,5,6$ 에서 $1,2,3,4,5,6,7,8,9,10$ 으로 가는 함수이다.

이떼 짝수의 함수값은 2의 거듭제곱이고 홀수의 함수값은 홀수이다. 또한, $f(f(n))=n$ 이 되는 $n$ 의 개수는 3개이다. 그러면, 가능한 함수의 개수는?

이전글 원 관련 문제

다음글 [단순문제]타이머

이 문제 어떠셨나요?

글쎄요

어려워요

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전자기역학 Lv.8 2020.07.06 06:02 비밀댓글

비밀 댓글이 등록 되었습니다.

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- 여백 패르마 Lv.5 2020.07.06 06:02
  
  ㅇㅇ
  
  좋아요0
- 전자기역학 Lv.8 2020.07.06 06:08
  
  바꾸면 되지
  
  좋아요0
- 여백 패르마 Lv.5 2020.07.06 06:31
  
  걍 문제 풀어주삼...ㅠㅠ
  
  좋아요0
giplee Lv.8 2020.07.06 20:03

님 이 문제 푸셨어요??

댓글 작성하기 좋아요0 댓글수1
- 여백 패르마 Lv.5 2020.07.06 21:53
  
  예
  
  좋아요0

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