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GeoGebra
GeoGebra Classroom
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GeoGebra
GeoGebra Classroom
GeoGebra
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Author:
Yan Dongtai(严东泰)
GeoGebra
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双心四边形
折扣
百分數及其應用
第八周作业
斐波那契螺旋弧线(表格法-可动态调节)
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直线与椭圆
How tall is that?
垂心與垂線
旋轉扇形
奥倍尔定理
Discover Topics
Volume
Line Segment
Circle
Circumcircle or Circumscribed Circle
Special Points