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橢圓內的光線反射 獻給聰哥
Author:
宋政蒲
Topic:
Ellipse
,
Reflection
橢圓內的光線反射
GeoGebra
New Resources
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
找出對稱軸
四邊形的特性
畫出對稱圖形
Discover Resources
畢氏定理
橢圓教學_2016
Ex (AAS)
Copy of fluid mechanics
刘校安排（1）
Discover Topics
Circle
Symmetry
Geometric Distribution
Inequalities
Indefinite Integral