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그리기연습오선의줄과칸건반은무채색이야손가락에번호를붙여보자!계이름!순서대로서봐~건반에숨어있는계이름찾기!음표에도이름이있어요!음표마다길이가달라요!살살녹는연습문제1연습문제2연습문제3Quiz!퀴즈!한입에쏙!