若2x+5y-3=0,求4^x•32^y
若2x-3y=0,求5x+4y/3x-2y
若(x*x+y*y)(x*x+y*y)-4x*x*y*y=0,求代数式(x*x+5xy+y*y)/(x*x+2xy+y*
若x^5+x^4y+x^4+x+y+1=0,且3x+2y=1,求x,y的值
已知x,y>0 2x+y+3=xy 求5x+4y最小值
若2X+5Y-3=0,求4^x*32^Y的值,
若,2x+5y-3=0,求4x*32y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x=1/3,y=-1/2,求代数式x-(x+y)+(x+2y)-(x+3y)+(x+4y)-(x+5y)+...-(
若4x^2-4x+9y^2-12y+5=0求6x+2/3y
若|3x+2y-4|+|3y-2x+5|=0,求x+y的值
若实数x,y满足x^2+y^2-4x-2y+5=0,求(√x+y)/[√(8y-2x)]
若实数x、y满足x平方+y平方-4x-2y+5=0,求根号8y-2x分之(根号x)+y