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Author:
许业成
GeoGebra
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斐波那契螺旋弧线(表格法-可动态调节)
镂空正方体案例对比
球体的截面
百分數及其應用
第三周作业效果演示
Discover Resources
Homework7
空間中的平面
circuit
方形地毯
圖二的副本
Discover Topics
Parametric Curves
Polygons
Prism
Congruence
Cone