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함께 풀고 싶은 문제

나도 수학쌤 문장제 문제를 변형해 문제를 내는 곳입니다.

[문장제 문제&개념응용] [조합] 문제모음 #4

Plum 2020.12.13 06:40 조회 608

문제 푼 사람 1명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

1. 빨간공,파란공,노란공이 5개씩있다. 노란공끼리는 붙어있지 않게 배치하는 경우의수는 k이다.k를 10³으로 나눈나머지의 값을 구해라.(같은색 공끼리는 구별되지않음)

2. 한개의 주사위를 4번던진다. 처음나온눈을a, 두번째나온눈을b, 세번째 나온눈을c, 네번째 나온눈을d 라고할때, $a\leq b\leq c\leq d$ 가 성립할 확률을 P라고할때, 72P의 값은?

3. A,B,C,D 4명에게 보라색공 6개와, 분홍색공 6개를 다음조건에 따라 남김없이 나누어주는 경우의수는?

{조건}

1. 각 사람은 1개이상의 공을받는다.

2. B는 4개이상의 보라색공을 받는다.

3. 보라색공을 분홍색공보다 더 많이 받는 사람은 B를 포함해 2명이다.

4. 원주상에 10개의 서로다른 점이 있다. 이들을 꼭짓점으로 하는 볼록다각형의 개수는?(단, 같은 꼭짓점을 갖지않으면 다각형은 다르다)

풀이필수, 2개풀때마다 해결 1개.

이전글 거대한 주사위[인수분해]

다음글 하이퍼 사이클로이드

이 문제 어떠셨나요?

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어려워요

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Plum Lv.7 2020.12.13 06:43 비밀댓글

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Ilúvatar Lv.6 2020.12.18 08:11 비밀댓글

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Ilúvatar Lv.6 2020.12.19 00:55 비밀댓글

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- Plum Lv.7 2020.12.19 08:21 비밀댓글
  
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