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수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 아주아주 오랜만에(그러나 질 낮은 문제일 수 있어 긴장)
† J.H † 2020.03.16 07:56 조회 615

어느 마을에 궁 하나가 있다. 이 궁 안에는 건물이 모두 12채가 있다. 1채는 왕실, 1채는 침전, 나머지 등등등... 왕실은 150m^2 이다. 마당은 모두 300m^2 이고 연못은 28m^2이다. 왕실과 침전을 제외한 나머지 건물(하나 빼고)은 모두 크기가 같고 그 하나의 건물은 왕실의 넓이의 반에 마당의 넓이의 1/8이 더해진 넓이이다(소수점은 반올림). 궁의 넓이와 궁 옆의 땅의 넓이의 합이 800m^2 이다. 궁 옆 땅의 넓이는 마당의 넓이의 2배에 왕실의 넓이의 3배를 뺀 넓이 이고 이 중에는 건물들과 연못, 그리고 마당밖에 없을 때, 

문제 1. 나머지 건물 하나의 넓이를 구하라.

문제 2. 옆 땅의 넓이가 아파트 단지의 넓이의 1/2이고 그 아파트 단지는 공항의 1/4일 때, 공항의 넓이는?

(풀이 필수)

이 문제 어떠셨나요?

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