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北京中考
Author:
李莹
GeoGebra
New Resources
多邊形的面積
漂亮的摇摆曲线
斜率的值
圓周公式的應用
双心四边形
Discover Resources
clock
矩形性质推论
卫星轨道模拟模块
小四_小數的認識
斐波那契螺旋弧线（表格法）
Discover Topics
Rectangle
Tangent Line or Tangent
Sine
Isosceles Triangles
Plane Figures or Shapes