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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] [경우의 수] ebs 온라인 클래스
GUN은 ebs 온라인 클래스를 들으려 한다.
오늘의 수업은 다음과 같다
1교시 역사
2교시 스포츠2
3교시 수학 A
4교시 도덕
5교시 체육
6교시 영어
각각 30분, 10분, 30분, 25분, 10분, 10분이 걸렸다.
수업 시작을 8시 반에 시작한다고 하자.
수학 A는 무조건 10시 전에 시작해야 한다. 그리고 쉬는 쉬간은 없다.(걍 빨리 끝내기 위해서)
체육 뒤에는 무조건 도덕이나 영어를 들어야 한다고 할 때, 듣는 경우의 수는?(이유와 함께)
혹시나 했갈릴까봐 하는 말인데 꼭 1교시 부터 수업을 듣지 않아도 된답니다.
-
Turgon
Lv.6
2020.05.26 08:11
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