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Function: require_once
수학동아 - 폴리매스
s.pie
2021.01.15 22:04
조회 522
제가 이 문제를 함풀문에 낼까요?
게임을 시작하지
파이와 파파이는 도박장에 갔다.도박을 할려고 딱 들어갔을 때,
어떤 네모난 곳에 빨려 들어갔다.
'살아남아'라는 목소리가 들렸다.
그리고 4명의 네모난 형체가 나타났다.
그때 4 명이 모두 파이와 파파이에게 발사했다.
그리고 갑자기 미안하다고 했다.
포이는 자기가 22개를 발사했다고 했다.
캐이 한 명은 32개,
푸이는 캐이,포이의 말이 맞지 않다고 했다.
그리고 수이는 다른 애들 말들이 모두 맞지 않다고 했다.
여기에서 2명의 말이 맞지 않을때, 포이가 12개를 발사했을 활률은 얼마인가?
(참고로 파이의 넓이는 1.5, 파파이의 넓이는 1.6 입니다.)(그리고 네모난 공간의 넓이는 5 루트)(파이와 파파이는 총 7번 맞았습니다.)
지금 바로
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