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Author:
Jimmy Ma
GeoGebra
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拼砌四邊形
GeoGebra笔记功能体验课件
【案例】2013年安徽高考15题
找出對稱軸
兩組對邊相等的四邊形
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World's Hardest Easy Geometry Problem.
林辰洋 凹面鏡反射
圓錐截面曲線
拋物線2--焦點法
与椭圆焦点三角形外角平分线有关的轨迹.许兴华数学
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Multiplication
Differential Calculus
Dilation
Cube
Random Experiments