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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/libraries/Common.php
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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.
△π
2020.04.02 23:07
조회 364
폴리는 어떤 동전이든지 만져보면 앞면인지 뒷면인지 알 수 있다. 폴리와 매스가 게임을 한다.
1.폴리는 눈을 가리고, 매스는 동전 4개를 돌아가는 판(중국집을 생각하면 편합니다)위에 정사각형 모양으로 배열한 후, 아무렇게나 앞면, 뒷면을 설정한다.
2.폴리는 한번에 2개의 동전에만 손댈 수 있고, 손 댄 동전만 마음대로 조작할 수 있다.(뒤집던지, 그냥 두던지)
3.조작이 끝났을 때 모든 동전이 같은 면이라면 게임이 끝나지만, 다른 면이라면 매스가 판을 마음대로 돌린다.
이때, 폴리가 할 수 있는 최선의 전략은 무엇일까?
지금 바로
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