수학동아 - 폴리매스

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Function: model

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Function: require_once

함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 수열이지만 다른 문제

sicma 2020.03.27 10:23 조회 324

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

①1->2->5->14->41... ②3->8->23->68->203... ③4->11->32->95->284... ④6->17->50->149->... ⑤7->20->59->176->... . . . 이렇게 앞에 수열의 수가 나오지 않고 제일 처음의 자연수로 시작한다 할때 몇번째 수열에 2020이 존재하며 2020이 존재하는 수열은 몇개인지 말해 보아라.

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