若实数x、y满足x2+y2-4x-2y+5=0,则(√x + y)÷√3y-2√x的值?
若实数x、y满足x2+y2-4x-2y+5=0,则(√x + y)÷√3y-2√x的值?
已知实数x,y 满足x2+y2+2x-2√3y=0求:
若实数x,y满足X2+y2-2X+4y=0,则x-2y的最大值为?
已知实数x,y满足x2+y2-2x+4y=0,则x2+y2的最小值是
已知实数x,y满足x2+y2+2x-4y+5=0
已知实数x,y 满足x2+y2+2x=0则x+y得最小值
若实数x,y满足x2-2xy+y2+x-y-6=0,则x-y的值是( )
若实数x、y满足x2+y2-2x+4y=0,则x-3y的最大值是______.
已知实数x,y满足x2+y2+2x-4y+5=0,则(x+y)的2012次方是多少?
实数x .y满足x2+y2 - 4x+2y - 4=0.则2x-y的最大值是?
已知实数x,y满足(x2)+(y2)-xy+2x-y+1=0,求x,y的值
已知实数x、y满足X2+y2-xy+2x-y+1=0,试求x、y的值