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达芬奇椭圆仪
Author:
蔡永志
Topic:
Conic Sections
,
Ellipse
达芬奇椭圆仪
GeoGebra
椭圆规
GeoGebra
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撒针估算面积实验
三角函数 的副本
双心四边形
直線的斜率
祖冲之的期望：内棋与外棋
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三角形内角和演示
製作對稱圖形-釘板2-LEVEL 1
用交轨法求动点的轨迹方程图.许兴华数学
抛物线顶点形成椭圆动画
S3 Ex4.3 Q05(3D圖)
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Expected Value
Solids or 3D Shapes
Continuity
Linear Regression
Parametric Curves