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多边形与圆相互滚动
Author:
朱亮
GeoGebra
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圓的切線方程
第八周作业2
科氏力 (Coriolis Force)
正方形雪花图案
异形操场
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[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
內擺線
八卦限
拋物線1-焦點法
三角函數圖形(全) 的複本
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Scalene Triangles
Algebra
Cosine
Parallelogram
Inequalities