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수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
K→C≡N
2019.10.06 18:44
조회 441
나는 집에서 12시 정각에 출발해 A와 D를 순서 상관없이 들른 뒤 집으로 돌아와야 한다.
검은색은 인도이고, 노란색은 횡단보도이다.
검은색 직선 한 구간을 지날 때 1분이 소요된다.
1번 신호등은 1분마다 초록불이 되고
2번,3번은 2분마다, 4,5번은 3분마다,6번 신호등은 6분마다 초록불이 된다.
12시 정각에 모두 동시에 초록불이 되었을 때, 가장 빨리 돌아오기 위해서는 어떤 경로를 선택해야 하는가?
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수킹
Lv.6
2019.10.06 19:03
오 대표이미지가 뭔지 궁금해요.
문제푸는 것 보다 그것에 관심이 가네요.ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ
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K→C≡N
Lv.11
2019.10.06 19:06
좋아요0
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수킹
Lv.6
2019.10.06 19:07
좋아요0
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K→C≡N
Lv.11
2019.10.06 19:09
좋아요0
-
지금 바로
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