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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
异形操场
比較五件物件的重量
盈利與虧蝕
球体的截面
椭圆内切圆链
Discover Resources
y=x²-a的圖形
釘點紙畫三角形
小阿樂
Copy of 固定周界的長方形的面積變化
分項對消式的寫法的副本
Discover Topics
Cosine
Plane Figures or Shapes
General Quadrilateral
Percentages
Incircle or Inscribed Circle