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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
平行線的判定
第三周作业效果演示
比較五件物件的重量
小学资源收集
GeoGebra数学资源(4-8年级)
Discover Resources
test
S4 Circle Theorems
directed number_magnet model
ch14 p.30#31
ㄩㄢ
Discover Topics
Vectors
Random Variables
Upper and Lower Sum or Riemann Sum
Arithmetic Operations
Confidence Interval