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反射路徑(角落進洞)
Author:
羅驥韡 (Pegasus Roe)
Topic:
Reflection
GeoGebra
New Resources
撒针估算面积实验
平行線的斜率
直線的斜率
多邊形的面積
三角函数 的副本
Discover Resources
Quiz on Interest 利息：測驗
polygon(first upload)
雙曲線2-焦點法
动感数学
旋转体
Discover Topics
Sequences and Series
Standard Deviation
Dilation
Parabola
Trapezium