수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 직

집돌이 페렐만 2020.03.18 06:42 조회 435

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

금목걸이가 4도막으로 끊어졌다.

각 도막은 3개의 고리로 되어 있다. $OOO$ 이런 세 개의 고리가 나란히 연결되어 있다.

목걸이를 고치러 갔더니 고리 1 개를 여는 데 1000원이고, 고리 1개를 닫는데 1000원이 든다.

6000원으로 목걸이를 고치시오.

이전글 페

다음글 아

이 문제 어떠셨나요?

글쎄요

어려워요

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부분해결

도전

Turgon Lv.6 2020.03.18 07:03 비밀댓글

비밀 댓글이 등록 되었습니다.

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Turgon Lv.6 2020.03.18 07:07 비밀댓글

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마리아 아녜시 Lv.7 2020.03.18 07:34 비밀댓글

확인요청중

비밀 댓글이 등록 되었습니다.

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피에르 드 페르마 Lv.6 2020.03.18 09:29

앗 위에는 저의 대사군요 ㅎㅎ

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Abiria♡ Lv.8 2020.03.24 02:56 비밀댓글

확인요청중

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