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Function: initBoardView
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Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
sicma
2020.06.14 09:22
조회 459
A 안에 4k+1개의 공이 들어있다.
B 안에는 x개의 공이 들어있다.(
)
C 안에는 k2개의 공이 들어있다.
D 안에는 ![\sum_{n=1}^{k}[\log_{2} n]+[\sum_{n=1}^{k}\log_{3} n]](/resources/latex/df2b792df817b3218669b19859e6c913.gif)
개의 공이 들어 있다.
A,B,C,D의 총 공의 갯수는 1에서 10000개 이다. 그렇다면 가능한 k는 몇개일까?
지금 바로
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