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20200108中线倍长大法
Author:
陈敦莹
GeoGebra
New Resources
常见四边形是否是双心四边形
第八周作业2
第八周作业1
活动三：应用性质
科氏力 (Coriolis Force)
Discover Resources
軌跡二︰移動點與兩固定點保持相等距離(垂直平分線)
包絡橢圓
勒洛三角形繞行動畫操作步驟
虎牙直播
函数奇偶性的图像特征
Discover Topics
Incircle or Inscribed Circle
Equilateral Triangles
Piecewise Functions
Trapezoid
Arithmetic Operations