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Tangents from an External Point
Author:
Y.C.Lee
,
aamtinc
GeoGebra
New Resources
GeoGebra笔记功能体验课件
画直线等分三角形的面积
兩位數加法
三位數除以一位數（一）
球體建築師
Discover Resources
由拉線80235螢橋國中
千年曆2
三角形的三中線交於一點(重心)
指數與對數函數
圆锥曲线
Discover Topics
Polynomial Functions
Variance
Probability
Circumcircle or Circumscribed Circle
Trapezoid