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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
兩組對邊相等的四邊形
畫出對稱圖形
兩位數除以一位數（二）
球體建築師
Discover Resources
正方變十字
轉移矩陣 (馬可夫鏈)
Angles formed by two straight lines and transversal
同弓形內的圓周角
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Discover Topics
Vectors 2D (Two-Dimensional)
Stochastic Process or Random Process
Subtraction
Differential Equation
Circumcircle or Circumscribed Circle