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Equation of the tangent to 2 circles touching externally
Author:
jleung
GeoGebra
New Resources
斐波那契螺旋弧线（表格法-可动态调节）
百分數及其應用
直線的斜率：水平變化 & 鉛垂變化
正方形雪花图案
比較五件物件的重量
Discover Resources
柯西不等式
物件的平移概念
利用Geogebra說明y=a(x－h)2＋k的圖形性質
函數的面積 (黎曼和)的副本
了解圓方程(2)的副本
Discover Topics
Planes
Pythagoras or Pythagorean Theorem
Functions
Similar Triangles
Curve Sketching