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
학생들은 평균성적규범에 따라 평가받습니다.haksaengdeureun pyeonggyunseongjeokgyubeome ttala pyeonggabadseubnida.Students are evaluated according to the average performance norm.