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f(x) and f(-x)
Author:
gklwong
f(x) and f(-x)
GeoGebra
New Resources
畫出對稱圖形
異分母分數減法
画直线等分三角形的面积
柱體建築師
兩位數除以一位數（二）
Discover Resources
翻轉方塊
心電感應
Statistical calculator
Angle at centre twice angle at circumference
百分數應用題：比較兩數大小
Discover Topics
Square
Circumcircle or Circumscribed Circle
Orthocenter
Solids or 3D Shapes
Quadratic Equations