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mooc第四讲椭圆反射
Author:
单晨
GeoGebra
New Resources
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
畫出對稱圖形
球體建築師
Discover Resources
軌跡圖
第4課
等分圓製作
容量(閱讀不同刻度的量杯)
GeoGebra绘本团队-绘本范例
Discover Topics
Plane Figures or Shapes
Binomial Distribution
Perimeter
Piecewise Functions
Reflection