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Function: driver

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Function: _error_handler

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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
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 독서록
로보카폴리 2019.12.02 06:54 조회 668
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

엄마가 독서록을 쓰라고 하셨다. 근데 나는 폴리매스를 하고 싶다. 그래서 독서록관련 문제를 올린다(먼 상관이지?)

나는 책 한 권 을 읽는데 약 5분(짧은 책에 경우.)이 걸리고 독서록을쓰는데, 4분이 걸린다. 나에게 무한한 책이 있고 한번에 3권의 책을 동시에 읽을수있을때, 가장 짧은시간동안 10권의 독서록을 쓰는 방법과 시간을 구하시오..

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