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angle between lines
Author:
johnmayhk
GeoGebra
New Resources
四邊形的特性
兩位數加法
三位數除以一位數（一）
兩位數除以一位數（一）
找出對稱軸
Discover Resources
鏡射再旋轉
推移矩陣（x 方向）
Copy of 正立方體中的正四面體
迭代多角星
拼砌四邊形
Discover Topics
Square
Ratios
Polygons
Piecewise Functions
Normal Distribution