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수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [추리]대모험 III : 달리기
space
2020.09.18 02:34
조회 442
이제 진짜 섬 안에 들어 왔다
하지만 어디가 중앙인지 모른다
하지만 운 좋게도 표지판 뒤에 이렇게 써 있었다
'북쪽으로 178km, 서쪽으로 51km 지점이 중앙이다'
그런데 갑자기 친구가 이런 제안을 했다
'우리 누가 중앙에 먼저 가나 시합하자!'
난 하자고 했다
왜냐하면 난 100m를 18초에 가고 친구는 21초에 가기 때문이다
그래서 난 11시간 27분이 지나고 나서 도착했다
그런데 친구가 먼저 와 있었다!
이게 어떻게 된 일이지???
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17수락
Lv.9
2020.09.18 02:35
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NimNim
Lv.9
2021.01.08 04:09
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