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Pythagorean Fractal Tree
Author:
魏向东
GeoGebra
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双心四边形
常见四边形是否是双心四边形
球体的截面
撒针估算面积实验
正方形雪花图案
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testing
Sequence指令練習(逐一套疊三角形)
No.4
線性規劃例15
常见几个曲面
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Fractal Geometry
Congruence
Set Theory
Parametric Curves
Fractions