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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
找出對稱軸
兩組對邊相等的四邊形
錐體建築師
【案例】圆柱体内放置一个大球六个小球
異分母分數減法
Discover Resources
數量與整體的相差百分率
vector
圓外切四邊形
保持2:3:4
变形的正方形
Discover Topics
Root
Pie Chart or Circle Chart
Congruence
Reflection
Interest Calculation