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中心在原点的正二十面体
Author:
刘金堂
Topic:
Solids or 3D Shapes
GeoGebra
New Resources
第八周作业1
活动三：应用性质
第八周作业2
圓的切線方程
双心四边形
Discover Resources
圓錐的截面
相似三角形的判定3
圖形周界_H
B4 4-1 平行線性質
vit3301
Discover Topics
Geometric Transformations
Complex Numbers
Incircle or Inscribed Circle
Distributions
Rectangle