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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
直角坐標平面上的旋轉變換
錐體建築師
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
【案例】2018年全国1卷理科12题
Discover Resources
nozzle position_Alex
最小周長
四角柱(底面、高可調整)
火箭
Regular Tetrahedron
Discover Topics
Congruence
Equations
Translation
Constructions
Hyperbola