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正二十面體
Author:
侯杰材
正二十面體
GeoGebra
New Resources
判斷球體
兩組對邊相等的四邊形
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
画直线等分三角形的面积
Discover Resources
rotational symmetry_3
GGB DAY3
Wave Interference
正立方體與平面的截面
两角和的正弦公式几何证明（改进）
Discover Topics
Tangent Line or Tangent
Prism
Polynomial Functions
Diagrams
Bar Chart or Bar Graph