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GeoGebra
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GeoGebra
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GeoGebra
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曲线下面积
Author:
王广喜
GeoGebra
New Resources
第三周作业效果演示
第八周作业3
双心四边形
平行線的判定
斐波那契螺旋弧线（表格法）
Discover Resources
test
兩圓外公切線
不可能系列-滾球
Drag blue dots, any observation about H,G,O?
正方体与球面的相交曲面
Discover Topics
Histogram
Multiplication
Circumcircle or Circumscribed Circle
General Quadrilateral
Arithmetic Operations