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周界-平移法(練習四)
Author:
Choy Wai Yan
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地球5
眼睛曲线
possion
正弦函数自变量的几何显示
同位角/内错角/同旁内角
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GGB研習作品
畢氏定理
Hyperbola_Vertical
轧钢之家-一片红心
三角形的概念
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Random Variables
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