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1977江苏1(7)
Author:
常振虎
GeoGebra
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四邊形的特性
【案例】2013年安徽高考15题
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
錐體建築師
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圖一
slide base
Animation of Refraction
Is it a condition for //gram?
劉徽的「割圓術」 的複本
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Right Triangles
Random Experiments
Triangles
Confidence Interval
Kite