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正三角形
Author:
陳幽靈
Topic:
Equilateral Triangles
New Resources
Earth with coastline
近似值：有效數字
兩組對邊相等和有直角的四邊形
Nested spiral octagon
直角坐標平面上的旋轉變換
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normal vector
周界-平移法(教學練習一)
LA 空間中的直線
繡曲線01
周界2
拼出三角形的副本
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Stochastic Process or Random Process
General Quadrilateral
Function Graph
Linear Equations
Parabola