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n-m9bch1-1-2a 二次函數及其圖形 02
Author:
均一
GeoGebra
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近似值：有效數字
長方體平面投影 (Codex版)
兩組對邊相等和有直角的四邊形
小数 的副本
Earth with coastline
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已知A(1,2)與B(3,4)為兩定點,P(x,y)為直線x+2y=3上一點,求當直線PA=直線PB時 , P的坐標?
[問題] 橢圓兩焦點 (6,0), (0,8)
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transformation_enlarge/reduction
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Continuity
Linear Equations
Coordinates
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Triangles