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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
算柱 (兩位數)
直角坐標平面上的旋轉變換
美國國旗 (Claude 版)
球體建築師
Earth with coastline
Discover Resources
切線性質B
Completing the square(配方法)
橢圓規Ellipsograph of Parallelogram
cube(方块堆叠)
动态平衡
Discover Topics
Parallelogram
Rhombus
Cosine
Similar Triangles
Normal Distribution