Posted by haifeng on 2021-01-26 16:06:59 last update 2021-01-26 16:06:59 | Answers (0) | 收藏
本类别（初等几何）中许多题目参考自
PROBLEMS IN PLANE AND SOLID GEOMETRY v.1 Plane Geometry Viktor Prasolov translated and edited by Dimitry Leites
e.math.hr/afine/planegeo.pdf
恕不一一指明. 很多图采用 GeoGebra 绘制.
