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蝴蝶定理推廣證明2(交比)
Author:
連琨銘
GeoGebra
New Resources
判斷球體
兩位數除以一位數（二）
找出對稱軸
画直线等分三角形的面积
畫出對稱圖形
Discover Resources
常態分布和標準差 Normal Distribution and Standard Deviation
錯角練習
面積1
GGB 案例分享
统计图表制作
Discover Topics
Linear Functions
Cube
Numbers
General Quadrilateral
Ratios