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GeoGebra
外心(劉虹圻 高二三26)
Author:
呂麗珠
New Resources
程自顺98
不存在的三角函数
傅里叶级数 Fourier series
雙曲線的副本
物理
Discover Resources
Rectangle
Add and subtract 2
Angle of Elevation & Angle of Depression 仰角和俯角
Escherized Tessellation
線、面平行
Discover Topics
Parallelogram
Symmetry
Straight Lines
Geometry
Rotation
