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十字立方體
Author:
Lionheart William
New Resources
劉徽的「割圓術」的副本
unit circle for sin cos
作業1
力的拆解
Escher penrose
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高二上_圓_圓內一點所有弦的中點軌跡
車線.ggb
加法(10個一數)
正多面體
周界(1)
Discover Topics
Median Line
General Quadrilateral
Multiplication
Straight Lines
Centroid or Barycenter
