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圆锥与圆锥曲线
Author:
陈宜红
Topic:
Cone
,
Conic Sections
GeoGebra
New Resources
斜率的值
圓周公式的應用
圓的基本性質
球体的体积推导（优化版）
平行線的斜率
Discover Resources
以剪貼比較圖形大小 題1
五邊形中點
Sequence指令練習(逐一套疊正方形)
linkage
表内除法
Discover Topics
Quadrilaterals
Equilateral Triangles
Linear Functions
Similar Triangles
Solids or 3D Shapes