学而思 初中数学几何辅助线秘籍, Vol. 0

Ben shu zhu yao jiang jie chu zhong ji he fu zhu xian de tian jia fang fa he ji qiao, Zhu yao nei rong bao kuo:zhong dian mo xing de gou zao;Jiao ping fen mo xing de gou zao;Xian tu de gou zao ji ying yong;Tu xing bian huan zhi zhou dui cheng;Tu xing bian huan zhi xuan zhuan;Tu xing bian huan zhi ping yi;Ti xing zhong de fu zhu xian wen ti;Yuan zhong de fu zhu xian wen ti.