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轴对称的两点的动画演示.许兴华数学
Author:
许兴华数学
Topic:
Geometry
,
Symmetry
GeoGebra
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sanjiaohanshu
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Newton
新型軌跡
數學傳播39卷4期, 平面幾何公式思考
Measuring Volume 4
圆锥曲线1
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Median Line
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