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Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [정수 & 조합] 사탕과 사과 먹기
원파
2020.05.31 09:51
조회 984
버블몬은 서로 구별되지 않는 a개의 사탕, 서로 구별되지 않는 b개의 사과가 있다.
a, b는 모두 소수이다.
버블몬은 a+b를 계산하였더니 이는 홀수이었으며 10보다 크고 20보다 작았다.
a와 b의 차는 a의 4배보다 1크다.
(1) 그렇다면 사탕은 몇 개인가? (a는 얼마인가?)
(2) 사과는 몇 개인가? (b는 얼마인가?)
(3) 사탕을 3명에게 나누어주는 가짓수는? (사탕이 없는 사람이 있어도 된다.)
(4) 사과를 3명에게 나누어주는 가짓수는? (사과가 없는 사람이 있으면 안된다.)
풀이 필수!!
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GUN.007
Lv.11
2020.06.01 02:51
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Lv.6
2020.06.14 18:48
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Lv.6
2020.06.15 00:08
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원파
Lv.9
2020.06.15 00:43
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