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[창의 퍼즐] 쉬운 문제
피타구라스 2020.03.23 08:13 조회 418
문제 푼 사람 1명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

주머니 A에는 빨간 공 3개와 파란 공 3개가 있고 주머니 B에는 빨간 공 2개와 파란 공 4개가 있다. 

주사위를 던져서홀수가 나오면

주머니 A에서 2개의 공을 연속해서 꺼내고,

짝수가 나오면 주머니 B에서 2개의 공을 연속해서 꺼낼 때,

꺼낸 공이 모두 빨간색일 확률을 구해라.

(단, 꺼낸 공은 다시 넣지 않는다.)

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    피타구라스 Lv.9 2020.03.23 08:15 비밀댓글
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    해결
    Turgon Lv.6 2020.03.25 21:24 비밀댓글

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