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polygon angle sum
作者：
Lau Ka Hing
GeoGebra
最新資源
Untitled
Reflection = 180° Rotation about a Line
Exploring GeoGebra for the First Time
Shells
רישום חופשי
探索資源
Dilations
Enlarging to a Scale Factor and Centre
Animated Translation
向量加减法
Graphing Sine and Cosine Functions (Includes All Transformations)
探索主題
長方體
正三角形
等式
Linear Equations
數學