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三角形五心與角度關係
Author:
lihsing.zen
Topic:
Mathematics
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GeoGebra
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兩組對邊相等的四邊形
画直线等分三角形的面积
找出對稱軸
【案例】2013年安徽高考15题
異分母分數減法
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this is math pic
斜率
rotational symmetry_2
心情詞語
Volumen ablesen 1
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Linear Equations
Intersection
Area
Variance
Incircle or Inscribed Circle