수학동아 - 폴리매스

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Function: get_footer

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 똑똑한 철수의 암호풀기 2 (비교적 쉬운 문제)

피에르 드 페르마 2020.03.01 23:05 조회 549

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

무사히 자람터 창고에서 피구공을 꺼낸 철수는 뿌듯한 마음으로 교실로 갔다. 그런데 교실 문은 잠겨있고 선생님과 친구들은 교실에 없었다. 당황한 철수의 눈에는 교실 앞문에 있는 암호를 보았다. 그 암호를 풀면 친구들과 선생님의 메세지를 알 수 있었다(~~왜 굳이 암호를 쓰지?~~)암호를 해독하면?

철동와수운장로야으(레일펜스 암호) key number: n < 16, $\phi$ (n)=8, n×(오지선다 문제를 찍어서 맞출 확률)=key number

(풀이도 맞아야 되요~~)

이전글 화성날짜, 지구날짜

다음글 수영장

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† J.H † Lv.9 2020.03.02 02:52 비밀댓글

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- 피에르 드 페르마 Lv.6 2020.03.02 04:00 비밀댓글
  
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