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与两圆都相切的动圆圆心的轨迹
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
常见四边形是否是双心四边形
第三周作业效果演示
折扣
GeoGebra数学资源(4-8年级)
龙形曲线-分形龙2
Discover Resources
絕對值距離和
圖解畢氏定理
包含除法(整數或分數 ÷ 分數)
Rectangle
圓心在同一直線上且相切的圓(半徑可改變)
Discover Topics
Optimization Problems
Arithmetic Operations
Translation
Complex Numbers
Tangent Line or Tangent