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拋物線的光線反射 獻給聰哥
Author:
宋政蒲
Topic:
Parabola
,
Reflection
GeoGebra
New Resources
找出對稱軸
拼砌四邊形
画直线等分三角形的面积
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
Discover Resources
以量角器量度角
亞瑟的圖像館
平面
認識圓
正十二面體內接正四面體旋轉
Discover Topics
Scalene Triangles
Optimization Problems
Vectors
Stochastic Process or Random Process
Triangles