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test2
Author:
chengshihfeng
GeoGebra
New Resources
球體建築師
三位數除以一位數(二)
画直线等分三角形的面积
錐體建築師
拼砌四邊形
Discover Resources
平移
外角和
locus wrt two pts on two indep. circle
perimeter of rectangle
鸚鵡螺旋線
Discover Topics
Cone
Polygons
Exponent
Conic Sections
Optimization Problems