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连杆
Author:
dhc987
GeoGebra
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四邊形的特性
判斷球體
球體建築師
【案例】2013年安徽高考15题
柱體建築師
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鋪地磚(六邊形)
累積頻數多邊形及累積頻數曲線
螢橋國中 周孟承
割圆术估计圆周率(刘徽)
乘法練習
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Translation
Logarithm
Quadratic Equations
Prism
Line Segment