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正三角形的旋轉
Author:
李春培
正三角形的旋轉
GeoGebra
New Resources
找出對稱軸
直角坐標平面上的旋轉變換
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
兩位數加法
Discover Resources
線性規劃 - 數學技巧1
Comparing fractions using number lines and rectangles
Gaussian Heptagon construction
五邊形的簡介
面积解题
Discover Topics
Definite Integral
Fractal Geometry
Reflection
Conic Sections
Interest Calculation