Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
이 시험은 학생들의 변별력을 평가하기 위해 설계되었습니다.I siheomeun haksaengdeul-ui byeonbyeollyeog-eul pyeongga-hagi wihae seolgye doeeossseubnida.This exam was designed to assess the differentiation ability of the students.