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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Cacher.php
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Function: driver

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Cacher.php
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Function: initiateCache

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

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

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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/controllers/ver3/Contents.php
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Function: getComment

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

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

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

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Function: model

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Line: 559
Function: get_footer

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

수학동아 - 폴리매스
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[문장제 문제&개념응용] 7-segment display
수학동아 2021.03.14 20:31 조회 539
문제 푼 사람 1명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

위와 같이 숫자를 표시하는 디스플레이를 7-segment display라고 한다. 7-segment display 두 개를 가로로 붙여 놓고 랜덤으로 불을 키거나 껐을 때, 두 자리 수가 표시될 확률은 얼마인가? (계산기 사용 가능합니다.)

이 문제 어떠셨나요?

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    다시 도전
    PF＿ Lv.8 2021.03.14 22:51 비밀댓글
    비밀 댓글이 등록 되었습니다.
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      수학동아 Lv.8 2021.03.14 23:17 비밀댓글
      비밀 댓글이 등록 되었습니다!
  •  
    다시 도전
    PF＿ Lv.8 2021.03.14 23:26 비밀댓글
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    •  
      수학동아 Lv.8 2021.03.15 00:21 비밀댓글
      비밀 댓글이 등록 되었습니다!
    •  
      PF＿ Lv.8 2021.03.15 02:09

      엇 실수했네요.

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  •  
    해결
    PF＿ Lv.8 2021.03.15 02:10 비밀댓글
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  •  
    PF＿ Lv.8 2021.03.18 05:40

    어어어억...

    수학동아님 51등...

    댓글 작성하기 좋아요0 댓글수0
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