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the definition of ellipse
Author:
丁明智
GeoGebra
New Resources
斐波那契螺旋弧线(表格法)
异形操场
盈利與虧蝕
斐波那契螺旋弧线(表格法-可动态调节)
正方形雪花图案
Discover Resources
Mean of a Large Set of Data 大量數據的平均數
f-10-2-poly3-gph-bac-2&3
ggb7黃金螺線
vit3301
龜甲
Discover Topics
Curve Sketching
Statistical Characteristics
Triangles
Constructions
Incircle or Inscribed Circle