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y=a(x-h)²+k
Author:
李春培
y=a(x-h)²+k
GeoGebra
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四邊形的特性
兩組對邊相等的四邊形
兩位數除以一位數（一）
異分母分數減法
【案例】2013年安徽高考15题
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三角函數的性質
球內接正方體
指数和幂增长
Properties of a Rhombus
Geogebra 入门
Discover Topics
Fractions
Equilateral Triangles
Standard Deviation
Centroid or Barycenter
Trigonometry