已知,2X+5Y-3=0,求4^x×32^y
已知x,y>0 2x+y+3=xy 求5x+4y最小值
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
已知x=1/3,y=-1/2,求代数式x-(x+y)+(x+2y)-(x+3y)+(x+4y)-(x+5y)+...-(
(1)已知2x+5y-3=0,求4^x*32^y的值.
已知2x+5y-3=0,求(4^x)*(32^y)的值
已知x^3+xy^2+x+x^2y+y^3+y=0,求5x-6y/3x+4y的值.
已知x^2+4y^2-4x+4y+5=0,求(y^4-x^4)/(y-2x)(x+y)*2x-y
已知3x^2+xy-2y^2=0,求{(x+y)/(x-y)+4xy/(y^2-x^2)}/{(x+3y)*(x-y)}
已知X.x+y.y-4x+2y+5=0,求4X.X-12X Y+9Y.y的值
已知x²+4x+y-2y+5=0求x+2y
已知4x-2y=0,求x-y/3x+2y的值
已知x²+y²-2x+4y+5=0,求x+y