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quiz 9.1 2(a)
Author:
lamanleung
GeoGebra
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拼砌四邊形
三位數除以一位數（一）
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
找出對稱軸
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三角形的內心
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Dilation
Median Line
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