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수학동아 - 폴리매스
본문바로가기
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] passward맞히기 2탄
아인수타인 2018.10.13 09:03 조회 668

?에 들어갈 수는?

(1) 1,3,8,15,22,32,42,51,?

(2) 2,8,512,134,92,737,?

(3) 1,2,3,10,29,66,?

(4) 1,2,4,7,13,24,44,81,?

이 문제 어떠셨나요?

글쎄요

0

어려워요

0

  •  
    깜냥 Lv.1 2018.10.13 21:57

    1,2번 풀었는데 지금 댓글 달아도 되나요? 너무 빨리 푼 것 같아서...

    그리고 혹시 4번에 80이 아니라 81 아닌가요?

    댓글 작성하기 좋아요0 댓글수4
    •  
      깜냥 Lv.1 2018.10.14 01:26

      아니다 풀이 안 말하고 답만 말하면 되겠구나

      1번 58에 2번 713 입니다.

      좋아요0
    •  
      아인수타인 Lv.12 2018.10.14 09:46

      정답입니다! 다른분들 풀이 올리면 그때 붙일게요. (그리고 4번에 오류 지적 감사합니다. 전에 말했지만 제가 계산 실수를 좀 많이 해서...)

      좋아요0
    •  
      바람개비 Lv.5 2018.10.22 07:04

      1번은 바탕수에 해당하는 숫자를 7세그먼트 방식으로 바꿀 때의 획의 갯수를 더하는 규칙이고,

      2번은 각 자릿수의 세제곱을 더하는 규칙입니다.

      좋아요0
    •  
      아인수타인 Lv.12 2018.10.22 08:10

      바람개비님 정답입니다! 이제 3번만 남았습니다.

      좋아요0
  •  
    appletree Lv.1 2018.10.20 08:21

    4번에 149 맞나요? 

     

    어 이제는 풀이 달아도 되겠져?

     

    1 2 4 7 13 24 44 81 

    여기서 

    1 2 4 를 더하면 7

    2 4 7 을 더하면 13

    4 7 13 을 더하면 24

    7 13 24 를 더하면 44

    13 24 44 를 더하면 81

    24 44 81 을 더하면 149이므로

     

    149입니다 ㅎㅎ

    댓글 작성하기 좋아요1 댓글수1
    •  
      아인수타인 Lv.12 2018.10.20 10:08

      정답입니다! 부분해결 붙여주세요.

      좋아요0
  •  
    바람개비 Lv.5 2018.10.23 09:34

    (3)번: 1=(-1)^3+2, 2=0^3+2, 3=1^3+2, 10=2^3+2, 29=3^3+2, 66=4^3+2, 127=5^3+2, ...

    댓글 작성하기 좋아요0 댓글수1
    •  
      아인수타인 Lv.12 2018.10.26 00:08

      제가 생각한 규칙과는 좀 다르지만 정답으로 간주하겠습니다. 해결 붙여주세요.

      좋아요0
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