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百葉窗2
Author:
李春培
GeoGebra
New Resources
四邊形的特性
找出對稱軸
錐體建築師
異分母分數減法
兩組對邊相等和有直角的四邊形
Discover Resources
K9@cn
帕普斯定理：齊次座標
雙曲線的頂點
折線
小狗绕正五边形墙活动
Discover Topics
Cylinder
Solids or 3D Shapes
Quadrilaterals
Vectors
Correlation