Images XY 2Y 2X

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Xy 2y 2x. X-Y/XY * 3xy/x^2-y^2. (Y2/x3-xy2 + 1/x+y). Z=4xy/(x-3y+1). 3xy-x2y2.
X-Y/XY * 3xy/x^2-y^2. (Y2/x3-xy2 + 1/x+y). Z=4xy/(x-3y+1). 3xy-x2y2.

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