44쪽 1/1,3/3/1/2/5/ 45쪽/ooxoooxx/5/4/1/3,5/ㄴㄷㅁ/ 46쪽/4/5/36/4/30/가는삼각형dbc나는삼각형abc 47쪽/ 이건못구했어요. ㅜㅜ죄송해여
당신은 어느 그룹입니까?