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椭圆的两条垂直切线的交点轨迹 蒙日圆
Author:
冯伟冀
,
istone
Topic:
Ellipse
,
Geometric Transformations
GeoGebra
New Resources
第八周作业
畫出對稱圖形
異分母分數減法
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
七巧板兔子12月坊
圆的面积展开
圓周
圆的面积展开的副本
初中数学模型
Discover Topics
Scatter Plot
Trapezium
Rotation
Kite
Derivative