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4학년 수학 정리

QuestionAnswer
1직각은 몇도입니까? 90도
삼각형의 세 내각의 합은 몇도입니까? 180도
사각형의 네 내각의 합은 몇도입니까? 360도
다음 소수를 읽어보시오. 0.42 영점사이
Created by: boards1980