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椭圆的离心率
Author:
邹丽华
GeoGebra
New Resources
畫出對稱圖形
第八周作业
錐體建築師
判斷球體
【案例】2018年全国1卷理科12题
Discover Resources
折扣 例5
磁磚著色
ggb-fs-a2
模擬圓規
学用数学（分季）
Discover Topics
Distributions
Similar Triangles
Vectors 3D (Three-Dimensional)
Kite
Median Line