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Function: driver
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Line: 22
Function: driver
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Cacher.php
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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/application/libraries/Common.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Line: 799
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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/application/libraries/Common.php
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Line: 315
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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
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: getFloatingMyInfo
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Line: 559
Function: get_footer
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
Line: 315
Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [복소수][허수][크기비교][빼서크기비교하기] 복소수의 크기비교
원파
2020.09.09 10:24
조회 677
서로 다른 두 실수가 아닌 복소수는 크기비교가 불가능할까요?
그렇다면 출제자를 이해시켜주세요.
출제자는 현재 이런 생각을 하고 있습니다 :
{
크기 비교 중 대표적인 방법에는 a-b > 0이면 a>b가 있다.
그렇다면 3+2i와 4+2i처럼 뺐을 때 허수 부분이 사라지므로 3+2i가 4+2i보다 작은 것일거다.
}
(이말인즉 출제자가 질문을 하는 문제입니다. 출제자는 물론 당연한 말이지만 답을 모릅니다.)
(자세히 서술하세요.)
-
Mata
Lv.6
2020.09.09 10:42
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