摘要
先用调和线束对一道竞赛题给出简捷的新证法 ,接着用射影几何的知识进行了深入的探讨 ,并发现两道新题。
A mathematical competition problem is discussed in this paper by means of properties of harmonic pencil of lines and other knowledge of projective geometry. A short solution to this problem is given and two equivalence relations are obtained.
出处
《贵州教育学院学报》
2001年第4期8-13,共6页
Journal of Guizhou Educational College(Social Science Edition)
