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橢圓之極偶 / polarity for ellipse
Author:
XIE Yuheng
GeoGebra
New Resources
判斷球體
画直线等分三角形的面积
【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
Discover Resources
semops_錐體
S2 Angles Related to Rectilinear Figures
畫三角形 第1題
描点法画反比例函数图像
存款模擬程式
Discover Topics
Arithmetic Mean
Parabola
Exponential Functions
Tree Diagrams
Expected Value