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題 1
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
畫出對稱圖形
算柱 (兩位數)
兩位數加法
四邉形 (四年級) 教師版
四邊形的特性
Discover Resources
PMC 2014-15 Q2
P4周界_上
平面幾何的思考
椭圆两个焦点与椭圆上点的连线
周界-平移法(練習四)
Discover Topics
Plane Figures or Shapes
Parametric Curves
Sphere
Mode
Right Triangles