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Estimating the Mean
Author:
Ronan Downes
,
Alex CHIK
GeoGebra
Mr Downes Maths
https://www.rdmath.com/
New Resources
異分母分數減法
兩位數加法
球体的体积推导（优化版）
兩位數除以一位數（一）
畫出對稱圖形
Discover Resources
Expansion & Factorization 展開與因式分解
平面
相同圖形的拼砌（三角形）
淮阴2015-28
三角形点阵
Discover Topics
Distributions
Square
Quadrilaterals
Histogram
Correlation