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畫三角形 題4a
Author:
GeoGebra Institute of Hong Kong
Topic:
Isosceles Triangles
,
Right Triangles
,
Triangles
GeoGebra
New Resources
拼砌四邊形
Earth with coastline
三位數除以一位數（一）
錐體建築師
找出對稱軸
Discover Resources
量度的誤差 Errors in Measurement
菱形
鋪地磚(六邊形)
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
量度身高
Discover Topics
Fractal Geometry
Distributions
Circle
Arithmetic Mean
Inequalities