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Function: require_once

수학동아 - 폴리매스
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창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 계획도시[계산] 난이도: OOOO, 노가다 60%
khr519 2020.07.07 03:42 조회 544
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

OO시 시장이 도로를 새로 깔려고 한다

도로의 길이는 10km 이고 도로의 양쪽에 10m간격으로 너비가 20cm인 가로등을 끝에서 끝까지 세우려고 했을때

도로를 만드는데 10m당 100000원이 들고

가로등 하나의 가격이 100000원,

가로등 2개 사이에 전선을 까는데 한 번당 50000원이 든다면 

필요한 예산은 얼마인지 구하시오

(풀이 써주세요~!)

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