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Area of rectangle
Author:
harryau
Topic:
Area
Area of Rectangle
GeoGebra
New Resources
球体的体积推导
判斷球體
三位數除以一位數（二）
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
宬風老師的GGB教師研習教材
Quiz on Solving Right Triangles (Finding Angles) 解直角三角形：測驗2（求角度）
Angle (Extended 2)
操場
随机分支长度的二分树的副本
Discover Topics
Linear Regression
Hypergeometric Distribution
Surface
Histogram
Arithmetic Mean