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毕氏螺线
Author:
汪娟
GeoGebra
New Resources
正方形雪花图案
平行線的判定
科氏力 (Coriolis Force)
折扣
撒针估算面积实验
Discover Resources
三角形的重心軌跡
MFS Pyth Thm 1
Viviani's curve
纏繞SEQUENCE任意多邊版
三視圖3d眼鏡
Discover Topics
Area
Symmetry
Calculus
Planes
Square