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3d正十二面體
Author:
莊宗達
GeoGebra
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盈利與虧蝕
科赫雪花
龙形曲线-分形龙
斐波那契螺旋弧线(表格法-可动态调节)
撒针估算面积实验
Discover Resources
集合
數學操作課程_20150920
Mean of a Large Set of Data 大量數據的平均數
向量分點公式
三角形面積
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Complex Numbers
Means
Perimeter
Scalene Triangles
Constructions