若|3x+2y-4|+|3y-2x+5|=0,求x+y的值.

若x^5+x^4y+x^4+x+y+1=0,且3x+2y=1,求x,y的值 若x-y/x+y=5,求x-y/2x+2y+5x+5y/3x-3y的值 已知x^3+xy^2+x+x^2y+y^3+y=0,求5x-6y/3x+4y的值. 已知4x-2y=0,求x-y/3x+2y的值 若X,Y互为相反数,且(X+Y+3)(X-Y-2)=0,求X,Y的值? 若2x-3y=0,求5x+4y/3x-2y 1.已知:x-2y=3,求[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除4x 的值 已知x-2y=2011,求[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷4x的值. 若|3x+2y-4|+|3y-2x+5|=0,求x＋y的值 已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值? 已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y) 已知2x-y/x+3y=2,求代数式4x-2y/x+3y减4x+12y/2x-y的值