若x,y互为相反数,且(x+y+3)(x-y-2)=6,则x=______.
若|x-y+2|与(x+y-1)2互为相反数,则x=______,y=______.
若x,y互为相反数,且2x-3y=5,则x3+y3=______.
若|x-3|与|2y+3|互为相反数,则x+y=______.
若(3x-2y+4)2与|4x-y-3|互为相反数,则x=______,y=______.
若|x+3y-5|与(3x-y-1)2互为相反数,则2x+y=______.
若(2x+y-4)2与|3x-5y-12|互为相反数,则x+y=______.
若x,y互为相反数(y≠0),则2x+5+2y+3x/y=____
若X,Y互为相反数,且(X+Y+3)(X-Y-2)=0,求X,Y的值?
已知(3x+2y-5)2与|5x+3y-8|互为相反数,则x=______,y=______.
诺X、Y互为相反数,且(X+Y-3)=9,则(1)X+Y=多少?X-Y=多少?X=多少 Y=多少?
若(2x-y)2与|x+2y-5|互为相反数,则(x-y)2005=______.
若(2x-y)2与|x+2y-5|互为相反数,则(x-y)2009=______.