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Author:
choichiheng
GeoGebra
New Resources
Fibonacci Clock
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
算柱 (兩位數)
判斷球體
Discover Resources
海龍公式與內切圓半徑
直线与椭圆
圓&五邊形
球面上的座標架
平行四邊形有甚麼特性？
Discover Topics
Rectangle
Plane Figures or Shapes
Area
Isosceles Triangles
Integral Calculus