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Author:
万超杰
GeoGebra
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椭圆内切圆链
科赫雪花
双心四边形
龙形曲线-分形龙2
撒针估算面积实验
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小數試用
正多边形内接迭代
正方體和長方體體積計算公式
同心圓
三角函數的繪圖2-1
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Fractions
Parametric Curves
Parabola
Trigonometry
Polynomial Functions