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圆的公切线
Author:
运斌 王
Topic:
Circle
,
Geometry
,
Tangent Line or Tangent
GeoGebra
New Resources
畫出對稱圖形
錐體建築師
判斷球體
兩位數除以一位數（一）
算柱 (兩位數)
Discover Resources
優良作品1(孟倫)
相似三角形
圓在直線上滾動
三角形外心的位置
碎形三角形
Discover Topics
Conditional Probability
Polygons
Solids or 3D Shapes
Subtraction
Arithmetic Operations