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Function: driver
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Function: driver
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Cacher.php
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Function: initiateCache
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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Function: _error_handler
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.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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Line: 19
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.
M.S
2021.03.25 23:31
조회 454
어떤 학교에 아이들 10명이 달리기 시합을 했다.
1:난 2등, 4등, 10등 중에하나를 했어요.
2:난 6번보다 순위가 더 높아요.
3:난 짝수에요.
4:난 5등이에요.
5:난 짝수에요.
6: 난 꼴지에요.
7:난 1위보다 순위가 낮아요.
8:난 3등이에요.
9:난 1등, 2등, 3등 중에 하나에요.
10:난 4등이에요.라고말 했다.
이중에 5명이 진실을 이야기 했고, 5명이 거짓을 말했을 때 1~10가지의 순위를 구하시오.
힌트1:1~5위까지의 번호를 더한 값은 30이고 6~10위까지의 번호를 더한 값은 25이다.
힌트2:진실을 말한사람들의 숫자의 합은 30이고 거짓을 말한 사람들의 번호의 합은 25이다.
-
이미지가 엄청나네요!
-
M.S
Lv.5
2021.03.25 23:42
감사합니다!
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