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橢圓規Ellipsograph (Trammel of Archimedes)
Author:
宋政蒲
Topic:
Constructions
,
Ellipse
GeoGebra
New Resources
近似值：有效數字
球體建築師
畫出對稱圖形
拼砌四邊形
找出對稱軸
Discover Resources
會考小測試
Klein Bottle
Sequence指令練習(二維3)
總結
三角形面積
Discover Topics
Division
Trigonometry
Circle
Numbers
Isosceles Triangles