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Function: model

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Function: require_once

수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [연산]꺼지지 말고 타올라!!~
수학하는 골프선수 2020.09.19 03:15 조회 529
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

민지는 초 두 개를 갖고 있습니다. 그 중 하나는 다른 것보다 32cm가 더 깁니다. 민지는 오후 3 시에 긴 초에 불을 켰고, 오후 7시에는 짧은 초에 불을 켰습니다. 그리고 오후 9시에 두 초의 길 이가 같아졌습니다. 이후, 오후 10시에는 긴 초가 완전히 탔으며, 짧은 초는 자정에 완전히 탔습 니다. 두 초의 타는 속도는 서로 다르지만 일정한 속도로 탔다고 한다면, 두 초의 원래의 길이의 합은 얼마입니까?

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