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正方形的旋轉2
Author:
李春培
正方形的旋轉2
GeoGebra
New Resources
近似值：有效數字
找出對稱軸
Nested spiral octagon
畫出對稱圖形
四邊形的特性
Discover Resources
Demo
行程圖 (Travel Graph)
分段移動
極值對稱於反曲點
勾股定理的毕氏证明
Discover Topics
Linear Programming or Linear Optimization
Logarithm
Area
Symmetry
Similar Triangles