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椭圆的光学性质
Author:
孟宝兴
GeoGebra
New Resources
找出對稱軸
拼砌四邊形
兩位數加法
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
Discover Resources
線對稱圖形練習1
相同圖形的拼砌(三角形)
雙橢
我的第一个绘本
在釘點紙上畫三角形
Discover Topics
Hypergeometric Distribution
Differential Calculus
Mode
Real Numbers
Cylinder