수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] [조합] 무지 복잡한 문제

mwryan 2020.07.06 01:53 조회 605

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

(저 이 문제 내려고 제가 풀어보다가 죽는 줄 알았습니다 ;;)

주사위를 다섯 번 던져 a,b,c,d,e 가 나왔다.

(ax²+bx+c)(dx+e)=a₁x³+a₂x²+a₃x+a₄라고 할 때,

a₁, a₂, a₃, a₄가 단조증가하거나 단조감소하는 a,b,c,d,e의 경우의 수를 구하여라.

모든 풀이는 필수입니다. 논리적 비약이 심하면 다시 도전 붙입니다...

이전글 [창의]당신은_영재원 아이들을 이길 수 있는가(마지막)

다음글 [확률] kmc

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