... Vi dgy hgc theo phuang phdp ndy chinh Id tht/c hien thao tde quy ngp, khdi niem dugc hinh thdnh tu nhung hien tugng ngdn ngu ey thi, trdnh duge su dp ddt, mgt chieu nhu dgy theo ldi diln ... sou khi dd phdn tfeh tim hilu khdi niem (HS dd ndm dugc khdi niem hodc cho HS tim vi dy nhung theo djnh hudng cuo GV). Tu ddy ed thi md rdng them nhilu mdt cuo vd'n dl, HS vd GV eung ... xdc. Vi thi, khi thyc hien phuong phdp ndy, khdng the tien hdnh mdt cdch h/y tien md phdi tudn theo mgt sd nguyen tdc nhd't djnh. GV edn chu y xem viee phdn tich dd cd ddm bdo phdn dnh...