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Author:
Renxiaoli
GeoGebra
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常见四边形是否是双心四边形
第八周作业3
盈利與虧蝕
第八周作业
龙形曲线-分形龙
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平行四邊形面積一
normal vector
塗色01
graph of y=-f(-(x-1))
黃金矩形
Discover Topics
Centroid or Barycenter
Isosceles Triangles
Planes
Subtraction
Dilation