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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
柱體建築師
球体的体积推导
球体的体积推导（优化版）
【案例】圆柱体内放置一个大球六个小球
錐體建築師
Discover Resources
Circumference 圓周
Is this a prism 13
Travelling Waves
Copia de 分數除法5: x ÷ a/b (包含)
一維對心碰撞動量守恒相圖分析_繁体版
Discover Topics
Statistics
Standard Deviation
Perimeter
Special Points
Square