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Function: _error_handler

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

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

함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 복잡해 보이는(하지만 엄청 쉬운)문제[계산] 난이도 :OO
khr519 2020.08.13 22:18 조회 749
문제 푼 사람 1명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

길이가 10km인 a도로와 길이가 7km인 b도로가 있다 

두 도로는 한쪽 끝이 연결되 있으며 연결된 각도는 52도 이다

a와 b에서 각각 사람 A와 B가 각각 시속 5km와 7km로 동시에 도로의 끝으로 출발했다.

이때 파리 한마리도 같은 자리에서 출발해서 시속 6km로 A와 B가 모두 도로의 끝에 닿을때 까지 둘 사이를 왕복 했다면 파리가 이동한 거리는 얼마인가?

이 문제 어떠셨나요?

글쎄요

0

어려워요

0

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  •  
    khr519 Lv.8 2020.08.13 22:18

    풀이필수 입니다

    댓글 작성하기 좋아요0 댓글수0
  •  
    해결
    Nightsky Lv.5 2020.08.13 22:27 비밀댓글

    A PHP Error was encountered

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    Backtrace:

    File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
    Line: 202
    Function: mkdir

    File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
    Line: 236
    Function: getLatexImg

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    Function: parseLatexImg

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    Backtrace:

    File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
    Line: 213
    Function: file_put_contents

    File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
    Line: 236
    Function: getLatexImg

    File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view_comment_list.php
    Line: 90
    Function: parseLatexImg

    File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view.php
    Line: 343
    Function: view

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

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

    비밀 댓글이 등록 되었습니다.
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  •  
    다시 도전
    대한미국남자 Lv.6 2020.08.14 12:30 비밀댓글
    비밀 댓글이 등록 되었습니다.
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A PHP Error was encountered

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Function: _error_handler

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

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Function: get_footer

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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

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Function: get_footer

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

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