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三角形的諸線
Author:
ginwha
GeoGebra
New Resources
画直线等分三角形的面积
判斷球體
錐體建築師
兩位數加法
兩位數除以一位數（二）
Discover Resources
甚麼是球體
S2,3,5 Statistics
周界
數學繪圖
直线与圆相切
Discover Topics
Coordinates
Symmetry
Multiplication
Polynomial Functions
Translation