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翻轉方塊
Author:
Lin Ching Chieh
GeoGebra
New Resources
球體建築師
三位數除以一位數（一）
兩位數除以一位數（一）
錐體建築師
四邉形 (四年級) 教師版
Discover Resources
代數
集合運算
Locus (Two points 2)
折正三角形
可控坐标系
Discover Topics
Ellipse
Symmetry
Solids or 3D Shapes
Plane Figures or Shapes
Dilation