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수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] MM 의 이야기 1.[경우의 수]
khr519
2020.10.12 22:02
조회 542
#MM(Mad Man) 박사는 OO연구소 의 괴짜 연구원이다. 동료들을 골탕먹이기 좋아하니 조심하도록!#
어느날 또 장난기가 발동한 MM 박사는 리처드 파인만 처럼 금고를 따 보기로 했다 (파인만 씨 농담도 잘하시네 를 읽어 보신분은 아실겁니다)
금고를 10개 따놓고는 금고 하나에는 하하하! -MM 을 안에 적어놓고 나머지는 또 그 사람 을 안에 적어놨다
연구원 들이 돌아와서 금고를 하나씩 열 때 3번째로 열린 금고에 하하하! -MM 이 적혀있을 경우의 수는?
풀이필수
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Sagan
Lv.6
2020.10.12 23:37
저는 그 책(파인만씨 농담도 잘하시네)을 두번 읽었는데도 불구하고 이 문제를 풀지 못합니다
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P.H.S
Lv.2
2020.10.13 00:09
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수짱이
Lv.7
2020.10.15 19:06
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확률이 아니라 경우의 수 입니다
좀 햇갈릴수 있지만 있지만 생각보다 쉬워요
좋아요0
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와이파이
Lv.5
2021.06.02 09:30
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