실력굳히기답 2,4,2,4,5,7,35권,40% 학교시험미리보기 3,5,4,3,2,4,4,3,3,5,3,4,2,2,5,18.0초이상18.5초미만,39m,20%,15%
당신은 어느 그룹입니까?