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Cross Product for 2D Vectors (平面外積)
Author:
羅驥韡 (Pegasus Roe)
Cross Product for 2D Vectors
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近似值：有效數字
找出對稱軸
錐體建築師
美國國旗 (Codex 版)
Earth with coastline
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Apollonius Problem 8 CLL homo 12
taiwan 2018
我的第一个GGB绘本
geogebra和初中数学课程深度融合
S3_Ch4.3_立體圖形的三視圖(3D圖)
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Algebra
Means
Differential Calculus
Plane Figures or Shapes
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