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Author:
黃斌
GeoGebra
New Resources
算柱 (兩位數)
四邊形的特性
畫出對稱圖形
直角坐標平面上的旋轉變換
Nested spiral octagon
Discover Resources
三條線上的正三角形
線性規劃
Copy of 和差角公式几何证明
基础知识
QQ空间
Inclined plane (Angle between two planes)
Discover Topics
Triangles
Combinatorics
Exponential Functions
Linear Programming or Linear Optimization
Percentages