수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 10위권 진입이

† J.H † 2020.03.23 21:52 조회 422

문제 푼 사람 1명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

가 설탕 400g과 설탕물 500g이 있다. 이 설탕물의 농도는 30%이다.

문제 1. 설탕물 500g에 들어있는 설탕의 양을 구하시오.

문제 2. 설탕물에서 설탕을 모두 뺀 다음 남은 물을 가 설탕에 붓고 섞은 뒤의 농도는?

(풀이 필수)

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Abiria♡ Lv.8 2020.03.24 00:00 비밀댓글

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Abiria♡ Lv.8 2020.03.24 00:25 비밀댓글

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