01강 제곱근과 그 성질
02강 무리수와 실수
http://www.youtube.com/watch?v=4n9sEZTc81U&feature=player_detailpage&list=PLny0N5wCzlW9SdC9ZqLSvPJs99GV7NKLP
03강 제곱근의 곱셈과 나눗셈
http://www.youtube.com/watch?v=7L_4XCE_Pbo&feature=player_detailpage&list=PLny0N5wCzlW9SdC9ZqLSvPJs99GV7NKLP
04강 제곱근의 덧셈과 뺄셈
http://www.youtube.com/watch?v=oOMaiMDqCqw&feature=player_detailpage&list=PLny0N5wCzlW9SdC9ZqLSvPJs99GV7NKLP
05강 인수분해의 뜻과 계산
http://www.youtube.com/watch?v=_aW7Lx14SJ8&feature=player_detailpage&list=PLny0N5wCzlW9SdC9ZqLSvPJs99GV7NKLP
06강 인수분해공식의 활용
http://www.youtube.com/watch?v=D7ZBmd-YLtQ&feature=player_detailpage&list=PLny0N5wCzlW9SdC9ZqLSvPJs99GV7NKLP
07강 1학기 중간고사 대비(1)
http://www.youtube.com/watch?v=_OMeKqazhqg&feature=player_detailpage&list=PLny0N5wCzlW9SdC9ZqLSvPJs99GV7NKLP
08강 1학기 중간고사 대비(2)
http://www.youtube.com/watch?v=oLFyahd0tHk&feature=player_detailpage&list=PLny0N5wCzlW9SdC9ZqLSvPJs99GV7NKLP