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七巧板奔人3
Author:
李春培
七巧板奔人3
GeoGebra
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GeoGebra笔记功能体验课件
【案例】2013年安徽高考15题
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
Discover Resources
aaa aaa aaa aaa
chuan-eBook
怪函數之3
作業
Question 1
Discover Topics
Linear Regression
General Quadrilateral
Polygons
Secant Line or Secant
Similar Triangles