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Function: mkdir

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: getLatexImg

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

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

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

수학동아 - 폴리매스
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함께 풀고 싶은 문제
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[창의 퍼즐] [대수] minimum
Plum 2020.09.10 02:53 조회 420

a+b=1 인 양수 a,b에 대해,

\frac{1}{1+a}+\frac{a}{1+b}  의 최솟값은 k이다.

 

3k의 값을 구하여라

이 문제 어떠셨나요?

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