1등급-상위4%/2등급-11%/3-23%/4-40%/5-60%/6-77%/7-89%/8-96%/9-100%입니다.예를들어120(9)/450즉450명중에서120등을하셨다면.동점자까지계산하면129/450x100
당신은 어느 그룹입니까?