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动态专题—角度旋转
Author:
刘元平
GeoGebra
New Resources
GeoGebra笔记功能体验课件
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
第八周作业
兩組對邊相等和有直角的四邊形
Discover Resources
廣義角的代換(90度加減角度)
Copy of 方格紙上畫四邊形
國旗
圓冪：到兩點的內積
迭帶
Discover Topics
Vectors 3D (Three-Dimensional)
Linear Programming or Linear Optimization
Function Graph
Orthocenter
Geometric Mean