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拋物線2--焦點法
Author:
13陳柏禎
拋物線2--焦點法
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邊形的特性
三位數除以一位數（二）
錐體建築師
球體建築師
Discover Resources
正九邊形
Ex (RHS)
向量点乘
circle
PA + PB
Discover Topics
Parametric Curves
Vectors 3D (Three-Dimensional)
Diagrams
Scatter Plot
Volume