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Author:
Lau Chin Ho
,
Anthony OR 柯志明
,
pingfeng.wu
GeoGebra
GeoGebra
New Resources
兩位數加法
判斷球體
三位數除以一位數（一）
畫出對稱圖形
找出對稱軸
Discover Resources
三角形重心(相關說明)
S5 Locus
阴影部分例子
深圳2018 22
St. Line
Discover Topics
Trapezoid
Differential Calculus
Cube
Tree Diagrams
Vectors