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Estimating Mean 猜猜平均數
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
異分母分數減法
兩位數除以一位數（一）
画直线等分三角形的面积
球體建築師
找出對稱軸
Discover Resources
整數÷整數_工作紙（一）_題4
作業3-1 增加互動功能
过圆上一点作切线，三步
日照图
橢圓規Ellipsograph of Parallelogram
Discover Topics
Fractal Geometry
Percentages
Equilateral Triangles
Means
Similarity Transformation or Similarity