루트21/2루트19/16분의11/30도/135도/풀이;/4루트3/24/1/4루트6/27루트3/6루트2/28/3/10루트3/루트10/2/3분의5루트3/1/5/5/2/풀이;/3/4/5/1/5/3/2분의5/3분의루
당신은 어느 그룹입니까?