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Function: require_once

수학동아 - 폴리매스
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[창의 퍼즐] 계단오르기
MathlabJ 2020.04.12 19:07 조회 501
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

10칸의 계단이 있다. 다음 물음에 답하여라.

 

(1) 한번에 한칸 또는 두칸 오른다고 할때, 계단을 오르는 방법의 수는 얼마일까?

 

(2) 한번에 한칸 또는 세칸 오른다고 할때, 계단을 오르는 방법의 수는 얼마일까?

 

풀이과정과 답을 구하여라.

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