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Author:
whtong
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
sanjiaohanshu
【案例】2013年安徽高考15题
錐體建築師
拼砌四邊形
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方格紙上畫平行四邊形4
座標
vertex
畫鐘面的副本
马鞍面旋转
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Cone
Circle
Logic
Line Segment
Median Line