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Function: require_once

함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [조합]별다줄문(별걸 다 줄이는 문제)
MathlabJ 2020.05.04 10:14 조회 729
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

A~D 중 중복을 허용하여 알파벳을 골라 만든 6글자 단어가 있다.

 

별다줄 장인 J씨는 알파벳 3개를 순서대로 뽑아서 줄임말을 만드려고 한다.

 

이때 J씨가 만든 줄임말이 ADD 였다면, 원래 단어가 될 수 있는 경우의 수는 몇가지일까?

 

단, 줄임말이 ADD라는 것은 단어의 형태가

__A__D__D__ 라는 뜻이다.

이 문제 어떠셨나요?

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    승승장구wlc Lv.6 2020.05.04 18:40 비밀댓글
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    harryahn Lv.1 2020.05.04 20:23 비밀댓글
    확인요청중

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    •  
      MathlabJ Lv.8 2020.05.04 20:31 비밀댓글
      비밀 댓글이 등록 되었습니다!
    •  
      harryahn Lv.1 2020.05.08 07:18 비밀댓글
      비밀 댓글이 등록 되었습니다!

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