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Author:
Gideon Huang
GeoGebra
New Resources
算柱 (兩位數)
三位數除以一位數（二）
畫出對稱圖形
兩組對邊相等的四邊形
判斷球體
Discover Resources
圓外切四邊形對邊和等長
推移畢氏
比例線段截面積
高斯定理：對角線中點共線
拋物線的兩切線
Discover Topics
Dilation
Vectors 3D (Three-Dimensional)
Variance
Unit Circle
Special Points