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ptccs2new3
Author:
Cheung Wing Chuen
GeoGebra
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拼砌四邊形
找出對稱軸
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
兩位數除以一位數(二)
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同底指對數函數
RHS全等性質
橢圓3--平行四邊形法
中心对称与轴对称图形.许兴华数学
拋物線有範圍限制的極值
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Variance
Cosine
Hypothesis Testing
Reflection
Similar Triangles