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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 순서대로 나열하기[조합]
우럭 2020.07.21 19:02 조회 627
문제 푼 사람 1명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

10개의 서로 다른 20 이하의 자연수 a1, a2, ..... a10이 존재한다.

a1 < a2 < a3 < a4 < a5, a6 < a7 < a8 < a9 < a10을 만족하는

배열 a1, .............., a10의 개수는?

[풀이 필수]

이 문제 어떠셨나요?

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    다시 도전
    infinitepi Lv.9 2020.07.21 20:12 비밀댓글
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    해결
    원파 Lv.9 2020.07.22 10:00 비밀댓글

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    Backtrace:

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    Function: mkdir

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

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    Function: parseLatexImg

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    Line: 315
    Function: require_once

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    Backtrace:

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

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

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

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    Function: view

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    Function: view

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    Line: 315
    Function: require_once

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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

    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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    Line: 315
    Function: require_once

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    Filename: libraries/Common.php

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    Backtrace:

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

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    Function: getLatexImg

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    Function: parseLatexImg

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    Function: view

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    Function: view

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

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