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根據定義畫橢圓2
Author:
Loi Teng Chong
GeoGebra
New Resources
讀磅
祖冲之的期望：内棋与外棋
垂直線的斜率
圓周公式的應用
撒针估算面积实验
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Vertex Form of Quadratic Functions(2) 二次函數的圖像：頂點式(2)
反射定律 Law of Reflection
圓錐曲線
Copy of 題 5
波的叠加
Discover Topics
Surface
Derivative
Right Triangles
Addition
Arithmetic