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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
兩位數除以一位數（二）
【案例】圆柱体内放置一个大球六个小球
判斷球體
算柱 (兩位數)
兩位數除以一位數（一）
Discover Resources
normal dist.
數線的繪製
Copy of 長方形與正方形的面積
三角函數的繪圖1
开关灯
Discover Topics
Cylinder
Quadratic Equations
Numbers
Set Theory
Quadratic Functions