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Weighted Mean 加權平均數
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
異分母分數減法
【案例】圆柱体内放置一个大球六个小球
第八周作业
算柱 (兩位數)
畫出對稱圖形
Discover Resources
正四面體
磁磚著色
平移動畫（平移加滑桿）
linear regression temp
和直线和圆同时相切的圆
Discover Topics
Terms
Variance
Arithmetic
Differential Equation
Mathematics