수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 직선,교점

sincostan 2020.02.14 08:57 조회 726

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

직선 l과m이 평행하게 있다.l위에는 세점 x,y,z가 있고

직선 m위에는 10개의 점이 있다. x,y,z에서 10개의점중

각각 하나를 골라 대응시킬때,직선외에서는 교점이 생기지

않도록 하는 경우의 수를 구하여라.

이전글 0,2,4,6,8

다음글 자릿수 합

이 문제 어떠셨나요?

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어려워요

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리퍼 Lv.6 2020.02.14 19:39 비밀댓글

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유한의끝도못본남자 Lv.7 2020.02.14 20:30 비밀댓글

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