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Author:
陳兪宏
與雙曲線相切圓半徑證明
GeoGebra
New Resources
斐波那契螺旋弧线(表格法)
第八周作业3
椭圆内切圆链
GeoGebra数学资源(4-8年级)
第八周作业2
Discover Resources
反餘弦函數
數值滑桿
兩針夾角
正方形與圓中點軌跡(1060724)
三角形重心的变化2.许兴华数学
Discover Topics
Quadratic Functions
Trapezoid
Probability
Cylinder
Incircle or Inscribed Circle