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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
拼砌四邊形
判斷球體
錐體建築師
兩位數加法
Discover Resources
Demo 1
對稱
Dividing in a Ratio 按比分物
小题狂做P60No2
圓錐截痕
Discover Topics
Trigonometric Functions
Inequalities
Logarithmic Functions
Parallelogram
Intersection