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ex 2
Author:
LAM YU SANG
GeoGebra
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圓的基本性質
双心四边形
盈利與虧蝕
折扣
平行線的判定
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Introduction to Polar Coordinates 極坐標簡介
正弦定理的验证
Copy of 劉徽的「割圓術」
答重庆杨志友椭圆的定义
三角函数y=Asin(wx+f)的图像
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Functions
Hyperbola
Division
Parabola
Multiplication