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也画二分树
Author:
阳光
Topic:
Fractal Geometry
GeoGebra
New Resources
算柱 (兩位數)
兩位數加法
兩位數除以一位數（二）
錐體建築師
畫出對稱圖形
Discover Resources
球體的特性 (old)
cos(π/n)cos(2π/n)cos(3π/n) ... cos(nπ/n) = ?
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
旋轉對稱 Rotational symmetry
椭圆内部全等的双椭圆构造.许兴华数学
Discover Topics
Vectors 2D (Two-Dimensional)
Indefinite Integral
Division
Trigonometric Functions
Function Graph