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标准正态分布
Author:
张志勇
GeoGebra
New Resources
四邉形 (四年級) 教師版
Earth with coastline
找出對稱軸
畫出對稱圖形
算柱 (兩位數)
Discover Resources
內分點遞迴
錐台
周界(移邊)
畢氏定理
工具：PlaneString
Discover Topics
Fractions
Solids or 3D Shapes
Plane Figures or Shapes
Symmetry
Isosceles Triangles