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수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
PF＿
2021.03.19 22:25
조회 523
(1) 영어로도 한글로도 자판으로 치면 제대로 된 단어가 나오는 경우가 있을까? (예: 한국=gksrnr 즉 아니다)
(2) 2*3/4+3*4/5+4*5/6...+100*101/102=?
(3) 세로로(69=96) 뒤집어도 수가 되는 4자리수는 모두 몇개일까?
(4) 억지논리를 반박하라.
왜냐하면 1+1-1+1-1+1-1+1... 이라는 식이 있어요.
그럼 이 식은 답이 2,1,2,1,2,1...을 반복해요.
결국 무한대로 이 식이 뻗어나가면 이 식은 답이 n이 되요.
n은 1,2 모두 될 수 있으니까
고로 1=2에요
워낙 쉬워서 문제 4개 다 풀어야 해결입니다.
-
자몽이
Lv.6
2021.03.19 22:51
1번은 단어의 의미가 같아야 하나요?
그러니까 자몽 을 쳤을때 grape fruit 이나 jamong 이 나오게요
(예시이고 자몽을 치면 저렇게 안나옵니다)
-
아엘
Lv.7
2021.03.19 23:10
당연히 단어의 뜻이 달라야겠죠?
(단어의 뜻이 같은 단어는 거의 없을겁니다.)
좋아요0
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PF＿
Lv.8
2021.03.20 00:22
좋아요0
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자몽이
Lv.6
2021.03.20 03:05
좋아요0
-
PF＿
Lv.8
2021.03.20 03:31
하나 도움말:
세로로 뒤집는다는것은
이렇게 뒤집는다는 뜻입니다.
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원파
Lv.9
2021.03.20 08:16
1번은 수학 문제가 아니기 때문에, 본질적인 문제로 포함하시면 안됩니다.
그냥 재미로 풀어볼 문제 쯤으로 추가로 문제에 낼 수는 있습니다.
그렇지만 해결 딱지를 받는 기준에 포함되는 것은 수학이 아닌 문제를 출제하는 것과 다름이 없기 때문에, 2~4번만 해결해도 해결딱지를 받을 수 있도록 문제 조건을 수정해주시기를 부탁드리는 바입니다.
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PF＿
Lv.8
2021.03.20 16:40
이제부터 2~4번만 해결해도 해결딱지를 받을 수 있는 것으로 하겠습니다.
지금 바로
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