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Function: driver

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Cacher.php
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Function: initiateCache

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: model

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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: require_once

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Line: 19
Function: _error_handler

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
Line: 392
Function: getFloatingMyInfo

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
Line: 559
Function: get_footer

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
Line: 315
Function: require_once

수학동아 - 폴리매스
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[창의 퍼즐] [계산] 권총과 시계
초코파이(π) 2020.05.21 20:26 조회 692
문제 푼 사람 0명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

한 사람이 권총으로 시계의 정중앙을 맞췄다.

총알은 정확히 정중앙을 맞추고 시계를 멈추게 만들었다.

시침과 분침은 하나의 직선 위에 있었던 상태 그대로 붙어서 반대 방향을 가리켰다.

시침과 분침이 3과 9를 동시에 가리킬 수는 없으므로

시계바늘이 회전을 한것이 분명하다.

총알이 시계를 맞춘 시간은 정확히 언제였을까?

이 문제 어떠셨나요?

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