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Direct and Inverse Variation 正變與反變
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
三位數除以一位數（一）
找出對稱軸
兩組對邊相等的四邊形
錐體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
vbvbvbvc
定周长的正多边形面积变化规律（含圆）
Area between two curves
求兩斜線區域的差
手拉手模型
Discover Topics
Tree Diagrams
Kite
Constructions
Standard Deviation
Geometric Distribution