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Author:
dhc987
GeoGebra
New Resources
判斷球體
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
找出對稱軸
Discover Resources
探究正方體的截面
對數的遞增或遞減(底數大於1)
等線段作圖
等截距和直線包絡拋物線
加减法练习
Discover Topics
Median Line
Conic Sections
Kite
Arithmetic
Incircle or Inscribed Circle