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齒輪連接的方法與轉動。 的複本
Author:
Bie Duo Wang
,
鍾元杰
齒輪連接與轉動的方法。
GeoGebra
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兩組對邊相等和有直角的四邊形
畫出對稱圖形
異分母分數減法
四邊形的特性
GeoGebra笔记功能体验课件
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磁磚著色
test
利用Geogebra說明y=a(x－h)2＋k的圖形性質
環環相扣
Pyramid (Angle between Plane HBC and HCD)
Discover Topics
Tangent Function
Addition
Numbers
Linear Equations
Differential Equation