a3+b3=c3+d3를 만족시키는 만족 시키는 서로 다른
양의 정수 a, b, c, d의 쌍은 어떤 것들이 있을까?
(여러 개의 a, b, c, d의 쌍 중 하나만 찾아도 정답입니다.)
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Severity: Warning
Message: mkdir(): Permission denied
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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: view
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
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Function: require_once
유명한 수로는 가 있지 않을까 싶네요
https://oeis.org/A001235
OEIS의 수열 A001235입니다ㅎㅎ 이런 수들을 taxicab number라고 부른다네요! ㅎㅎ
a,b,c,d가 정수, 즉 음의 정수도 포함된다면
91=33+43=63+(-5)3이라는 작은 수도 있네요