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수학동아 - 폴리매스
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수학을 주제로 떠들어 보세요!
[수학 정보] 새해 첫 수학정보
21세기오일러 2020.01.01 09:04 조회 987
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

윤년과 수학에 대해 말씀드리지요. 윤년은 흔히들 4년에 한 번이라 아는데 사실은 4의 배수이면 100의 배수가 아니거나, 400의 배수인 년마다 윤년입니다. 그리고 60초가 생기는 윤초도 있습니다.

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  •  
    222 Lv.9 2020.01.02 03:39

    저는 윤초가 1초라고 알고 있는데... 제가 틀리겠죠.

    댓글 작성하기 좋아요0 댓글수1
    •  
      21세기오일러 Lv.11 2020.05.21 21:53

      1초가 느는거죠 제 말은

      59, 60,0, 1로 센다는 거예요

      좋아요0
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