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坐標測驗
Author:
李春培
坐標測驗
GeoGebra
New Resources
空间中两直线的位置关系
圓周公式的應用
圓的切線方程
【案例】2018年全国1卷理科12题
垂直線的斜率
Discover Resources
Where is Micky?
正四面體對邊向量垂直作圖證明
拋物線
角平分線-1
正多面體
Discover Topics
Planes
Indefinite Integral
Intersection
Cube
Plane Figures or Shapes