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수학동아 - 폴리매스
본문바로가기
함께 풀고 싶은 문제
나도 수학쌤 문장제 문제를 변형해 문제를 내는 곳입니다.
[문장제 문제&개념응용] 개념 응용 (전체 회원)555문제 기념
피카파이 2021.04.27 02:18 조회 405
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

폴리매스의 현재 회원수는 300명이다. 한명이 문제를 함풀문에 내면 평균 1.2345678987654321명이 문제를 푼다. 폴리매스 회원들이 하루에 총 폴리매스 회원수 곱하기 60분의 1만큼 문제를 내고, 모든 회원의 평균 레벨이 1 높아질떄 마다 회원이 60명 늘때, 폴리매스 회원이 420명이 될떄까지의 시간의 기댓값은?

이 문제 어떠셨나요?

글쎄요

1

어려워요

0

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댓글 5
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  •  
    mumam Lv.5 2021.04.27 05:39

    근데이거 진짜는 아니죠?ㅋㅋㅋㅋㅋㅋㅋㅋㅋ

    댓글 작성하기 좋아요0 댓글수1
    •  
      cho317jun Lv.6 2021.04.28 04:24

      진짜일리가요~~

      1레벨 분들 도나수 들어가서 랭킹 보면 육천 몇위라고 뜨는데<<퍼퍽

      좋아요0
  •  
    khr519 Lv.8 2021.04.29 16:18

    많이 낸게 자랑이 아닌데요...

    댓글 작성하기 좋아요0 댓글수2
    •  
      피카파이 Lv.8 2021.05.03 23:26

      전체 회원수가 낸 개념응용말이예요 555개입엿습니다. 인증샷이 대표사진이예요

      @쌘즈

      @khr519

       

      좋아요0
    •  
      khr519 Lv.8 2021.05.04 00:24

      @피카파이 정말 죄송합니다.

      문제 많이 냈다고 자랑하는 줄 알았습니다

      좋아요0
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