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一线三等角
Author:
叶明杰
GeoGebra
New Resources
第八周作业
画直线等分三角形的面积
【案例】2013年安徽高考15题
判斷球體
畫出對稱圖形
Discover Resources
餘弦定理
test03
Angle between Plane and Plane
四角柱體（長方體）的截面
一般變換的副本
Discover Topics
Planes
Division
Pie Chart or Circle Chart
Secant Line or Secant
Poisson Distribution