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Author:
施重宇
GeoGebra
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小数 的副本
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E-X 电势-X
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?
量角器
對鄰邊之對
Gazing Cow Problem (b)
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Straight Lines
Random Variables
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Subtraction