2012쎈 중등수학3 (상)01제곱근의뜻과성질 3,-3/13,-13/0.2,-0.2/6분의1,-6분의1/4,4,쁠마2/64,64,쁠마8/0/1,-1/없다/0.1,-0.1
당신은 어느 그룹입니까?