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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
【案例】2018年全国1卷理科12题
異分母分數減法
畫出對稱圖形
兩組對邊相等和有直角的四邊形
錐體建築師
Discover Resources
題6
公切線(配合Dilate指令)
圖G
圖形遊戲
圆锥曲线折纸操作题（教材案例）
Discover Topics
Cube
Fractions
Sphere
Quadratic Equations
Special Points