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X 2 5y 5
X 2 5y 5 pictures 5
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X 2 5y 5
5 2xy 14y x 2 5y 2 2x
2x 7y 5 2 x 5y 7
5y x 2 u2212 6x 5
5y 2 1 x 5
5y x 2 4x u2212 5
x 5 5y 6 2
x 5y 2 x 4y 5
2x y u003d- 2 x 5y 5
x 5y 2 y 5
x 2 5y 5
