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拋物線定義
Author:
luke huang
GeoGebra
New Resources
柱體建築師
兩位數除以一位數（二）
【案例】2013年安徽高考15题
畫出對稱圖形
球體建築師
Discover Resources
錯覺藝術
convolution_demo1
Building Cylinders 建造圓柱體
時鐘與數學
在釘點紙上畫三角形
Discover Topics
Cuboid
Similar Triangles
Trigonometric Functions
Rotation
Quadratic Functions