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基測試題滾動
Author:
李春培
基測試題滾動
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
異分母分數減法
錐體建築師
畫出對稱圖形
三位數除以一位數（一）
Discover Resources
Properties of a Rectangle
三角四星
畫等腰直角三角形
抛物线动态（不一样的做法）
双曲线定义
Discover Topics
Statistical Characteristics
General Quadrilateral
Derivative
Perimeter
Optimization Problems