当X+Y+=3,XY=2,则(5X+2)-(3XY-5Y)=?

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当X+Y+=3,XY=2,则(5X+2)-(3XY-5Y)=?当X+Y+=3,XY=2,则(5X+2)-(3XY-5Y)=?当X+Y+=3,XY=2,则(5X+2)-(3XY-5Y)=?12

当X+Y+=3,XY=2,则(5X+2)-(3XY-5Y)=?
当X+Y+=3,XY=2,则(5X+2)-(3XY-5Y)=?

当X+Y+=3,XY=2,则(5X+2)-(3XY-5Y)=?
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