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Function: require_once

수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [정수] BOOK
MathlabJ 2020.07.10 19:35 조회 550
문제 푼 사람 2명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

총 쪽수가 두자리수인 책이 있다.

 

이 책을 아무렇게나 펼쳤더니 나온 두 쪽수중 하나는 일의자리 수가 9였고, 두 쪽수의 합은 3의 배수였다.

 

또한, 두 쪽수의 합은 두자리수이고, 두 쪽수의 합의 자릿수의 합은 4의 배수가 아니다.

 

이때, 책을 펼쳤을때 나온 두 쪽수를 구해보자.

 

풀이과정 필수!

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