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猜猜平均數（限時版）
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（一）
三位數除以一位數（一）
算柱 (兩位數)
判斷球體
第八周作业
Discover Resources
這是什麼角？
一元二次不等式(2)
凹透镜
圆锥的侧面展开图3D
Question 4
Discover Topics
Geometric Distribution
Polynomial Functions
Numbers
Expected Value
Confidence Interval