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題 7
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
兩組對邊相等的四邊形
柱體建築師
三位數除以一位數（二）
兩位數除以一位數（一）
Discover Resources
截面法體積(1)
甚麼是球體
How to draw a decagon with ruler and compasses?
圓錐截痕
最短路径
Discover Topics
Special Points
Plane Figures or Shapes
Median Line
Vectors
Power Functions