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和直线和圆同时相切的圆
Author:
冯伟冀
Topic:
Conic Sections
,
Geometry
,
Parabola
GeoGebra
New Resources
双心四边形
折扣
比較五件物件的重量
圓的切線方程
探究三角形的全等條件
Discover Resources
Constructing Quadrilaterals by Four Sides (2014)
進階二
分數
劉虹圻 垂心
圖二 的複本
Discover Topics
Ellipse
Isosceles Triangles
LCM and GCD
Sequences and Series
Addition