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Function: driver
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: driver
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Cacher.php
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Function: initiateCache
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: _error_handler
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: getFloatingMyInfo
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
Line: 559
Function: get_footer
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
Line: 315
Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 이 수에는 무슨 의미가 있을까?(6편)
은총알
2019.10.05 07:17
조회 528
규칙을 모르신다면 "이 수에는 무슨 의미가 있을까?(1편)"을 참고해주세요!
이번 수는 "220"입니다!
-
아인수타인
Lv.12
2019.10.05 09:47
비밀댓글
비밀 댓글이 등록 되었습니다.
-
은총알
Lv.11
2019.10.05 18:28
정답입니다! 아인수타인님의 답은
"가장 작은 친화수 쌍 중 작은 수"였습니다!
제가 생각했던 답이었습니다
친화수는 우애수라고도 하지요
친화수는 그 수의 진약수(자기 자신을 제외한 약수)를 모두 더했을 때 다른 수가 되고, 그 다른 수의 진약수를 모두 더 했을때 그 수가 되는 수입니다! 가장 작은 친화수는 220과 284죠!
좋아요0
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로보카폴리
Lv.11
2020.01.29 22:12
비밀댓글
확인요청중
비밀 댓글이 등록 되었습니다.
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로보카폴리
Lv.11
2020.01.29 22:12
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은총알
Lv.11
2020.01.30 02:56
좋아요0
-
로보카폴리
Lv.11
2020.01.30 03:22
비밀댓글
비밀 댓글이 등록 되었습니다.
지금 바로
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