수학동아 - 폴리매스

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Function: require_once

함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] [조합]좌표평면 뛰어다니기

전자기역학 2020.05.18 23:35 조회 675

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

1. (0,0)에서 (9,7)로 최단거리로 가며, 갈 때는 x축 또는 y축과 평행하게 1칸씩 이동할 수 있다고 하자. 그러면 경로의 수는?

2. 1번에서 갈 때 y=x라는 직선을 넘을 수 없다 하면 그때의 경로의 수는?

(풀이과정 필수)

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