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餘弦定理修正項及風車證明
Author:
薛鈞聰
New Resources
平面几何基础 命题5
Aire Cercle 的副本
毕氏螺线
勾股树123
“勾股树”最极易迭代法单晨制作实验16
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ma_test
example1 star
圖形2
pyramid by Mr LO WY
三角函数
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Means
Circumcircle or Circumscribed Circle
Planes
Parametric Curves
Intersection