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수학동아 - 폴리매스
본문바로가기
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 대칭수
MathlabJ 2020.04.09 23:23 조회 613
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

대칭수는 앞으로 읽은것과 뒤로 읽은것이 같은 수 이다. 예를 들면 1001은 대칭수 이지만, 56367은 대칭수가 아니다.

 

그렇다면 7자리 대칭수 중 0이 2개 이하로 포함된 수의 개수는 몇개일까?

이 문제 어떠셨나요?

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  •  
    조이 Lv.8 2020.04.09 23:37 비밀댓글
    확인요청중
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      MathlabJ Lv.8 2020.04.09 23:39 비밀댓글
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