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수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 33등 기념
△π 2020.04.02 22:53 조회 466
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

33을 이진수로 나타내면 100001(2)이다. 이처럼 이진수로 나타냈을 때 대칭을 이루는 수를 이진대칭수라 정의하자.

(1)2020번째 이진대칭수를 십진법으로 표현하여라.

(2)15자리 이진대칭수의 갯수를 구하여라.

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  •  
    Abiria♡ Lv.8 2020.04.03 08:00

    '15자리'가

    2진법 기준인가요?

    댓글 작성하기 좋아요0 댓글수1
    •  
      △π Lv.9 2020.04.03 17:07 비밀댓글
      비밀 댓글이 등록 되었습니다!
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