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[세상을 바꿀 문제] 약수와 배수 관계인 두 수가 있을까?
김미래_기자 2021.11.01 20:42 조회 749

숫자 1, 2, … ,1000 중에서 501개의 숫자를 택해 색칠하 때, 색칠한 숫자들 중 약수와 배수 관계의 두 수가 항상 존재함을 보이세요. 약수란 자연수를 나눠 떨어지게 하는 자연수를 말하고, 배수는 어떤 수를 몇 배 한 수를 뜻합니다. 

 

출제자 : 김다인 멘토

이 문제 어떠셨나요?

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  •  
    해결
    수학동아 Lv.8 2021.11.01 20:54 비밀댓글
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    •  
      김다인(멘토) Lv.15 2021.12.13 20:12

      [해결]

      잘 풀었습니다!!

       

      다인 멘토 드림

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  •  
    다시 도전
    K-RIEMANN Lv.10 2021.11.01 23:43 비밀댓글

    A PHP Error was encountered

    Severity: Warning

    Message: mkdir(): Permission denied

    Filename: libraries/Common.php

    Line Number: 202

    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

    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

    A PHP Error was encountered

    Severity: Warning

    Message: file_put_contents(/DATA/upload/polymath/latex/76f4dcc2d31383517b35e3f0ee29b3c6.gif): failed to open stream: No such file or directory

    Filename: libraries/Common.php

    Line Number: 213

    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
    Line: 558
    Function: view

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

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    •  
      K-RIEMANN Lv.10 2021.11.02 02:44

      마지막건 실수여서 무시해주세요

      좋아요0
    •  
      아인수타인 Lv.12 2021.11.03 22:22

      허수는 아닌가요?

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    •  
      K-RIEMANN Lv.10 2021.11.03 23:37

      @아인수타인

      ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ

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    •  
      김다인(멘토) Lv.15 2021.12.13 20:13 비밀댓글
      비밀 댓글이 등록 되었습니다!
  •  
    해결
    수학달콤 Lv.2 2021.11.02 11:08 비밀댓글

    A PHP Error was encountered

    Severity: Warning

    Message: mkdir(): Permission denied

    Filename: libraries/Common.php

    Line Number: 202

    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

    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
    Line: 558
    Function: view

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

    A PHP Error was encountered

    Severity: Warning

    Message: file_put_contents(/DATA/upload/polymath/latex/2bf7d2afca839aeb34de81a004fffa24.gif): failed to open stream: No such file or directory

    Filename: libraries/Common.php

    Line Number: 213

    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
    Line: 558
    Function: view

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

    A PHP Error was encountered

    Severity: Warning

    Message: mkdir(): Permission denied

    Filename: libraries/Common.php

    Line Number: 202

    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

    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
    Line: 558
    Function: view

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

    A PHP Error was encountered

    Severity: Warning

    Message: file_put_contents(/DATA/upload/polymath/latex/92eb5ffee6ae2fec3ad71c777531578f.gif): failed to open stream: No such file or directory

    Filename: libraries/Common.php

    Line Number: 213

    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
    Line: 558
    Function: view

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

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    •  
      김다인(멘토) Lv.15 2021.12.13 20:13 비밀댓글
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    다시 도전
    아인수타인 Lv.12 2021.11.03 22:22 비밀댓글
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      김다인(멘토) Lv.15 2021.12.13 20:15 비밀댓글
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    다시 도전
    시그마가싫어요 Lv.9 2021.11.15 23:53 비밀댓글
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      김다인(멘토) Lv.15 2021.12.13 20:16 비밀댓글
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    다시 도전
    수학앵무새와-집사 Lv.6 2021.11.16 07:15 비밀댓글
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      김다인(멘토) Lv.15 2021.12.13 20:17 비밀댓글
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    우디르 Lv.4 2022.02.09 01:22 비밀댓글
    확인요청중
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    우디르 Lv.4 2022.02.13 19:03 비밀댓글
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    •  
      우디르 Lv.4 2022.02.13 19:04

      이전의 풀이가 너무 모호해서 한 개 더 올렸습니다

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      김다인(멘토) Lv.15 2022.02.16 20:25 비밀댓글
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    여싸 Lv.1 2022.04.02 19:53 비밀댓글
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    Funmaster Lv.7 2022.05.07 08:35 비밀댓글
    확인요청중
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