Title: Wai mao dan zheng chu li ji qiao
Description: Ben shu gong fen 4 pian, Nei rong bao kuo:jiao yi de ji chu, Jiao yi de jie suan fang shi, Jin chu kou huo wu de tong guan shou xu yu dan zheng, Chu kou jiao dan jie hui suo xu de qi ta dan zheng.
Subjects: Dui wai mao yi, Yuan shi ping zheng, Ji ben zhi shi .