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Author:
Chow
GeoGebra
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圓周公式的應用
撒针估算面积实验
平行線的斜率
斜率的值
折扣
Discover Resources
waaachen
圖是正確的
Angle between a Line and a Plane 投影與線面角
cycloid
关于椭圆的一个性质
Discover Topics
Rhombus
Parabola
Upper and Lower Sum or Riemann Sum
Rotation
Translation