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test1
Author:
簡數學
GeoGebra
New Resources
画直线等分三角形的面积
第八周作业
四邊形的特性
兩位數除以一位數（一）
錐體建築師
Discover Resources
判斷球體 4
軌跡四︰移動點與一固定直線保持固定距離(兩平行線)
圖形
Mathematics and Optics (and their applications)
少了一個質數One less prime number
Discover Topics
Unit Circle
Optimization Problems
Intersection
Standard Deviation
Geometric Mean