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旋轉一物件
Author:
shihfeng
GeoGebra
New Resources
畫出對稱圖形
拼砌四邊形
画直线等分三角形的面积
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
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拿破侖定理(外拿破侖)證明一
面積的認識4
體積
鉛筆畫圓
三角函數 週期、振幅變化 課堂投影用
Discover Topics
Sphere
Vectors 2D (Two-Dimensional)
Isosceles Triangles
Ellipse
Curve Sketching