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GeoGebra
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Author:
chen mingchuan
GeoGebra
New Resources
球體建築師
兩組對邊相等和有直角的四邊形
找出對稱軸
畫出對稱圖形
三位數除以一位數（二）
Discover Resources
定義拋物線
小四小數
相似三角形的邊長成比例
Rolling Circle
圓繞圓內外
Discover Topics
Pyramid
Rectangle
Limits
Tree Diagrams
Plane Figures or Shapes