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鏡面反射光線
Author:
紀老師
鏡面反射光線的動畫 入射角=反射角
GeoGebra
New Resources
近似值：有效數字
GeoGebra笔记功能体验课件
拼砌四邊形
兩組對邊相等和有直角的四邊形
畫出對稱圖形
Discover Resources
賺賠：例1
hihi
Ex5C#1
gjc090b13 二次函數的平移
函数作图工具的副本
Discover Topics
Pyramid
Differential Equation
Coordinates
Interest Calculation
Cube