己知实数x,y满足{ (x-y+6) (x+y-6)>=0,1
己知实数x,y满足X的平方加y的平方-4X+6y+12=0,则2x-y-2的绝对值的最小值是多少?
已知实数x、y满足x²+y²+4x-6y+13=0
若实数X,Y满足X²+Y²+4X-2Y +1=0,则X²-6X+Y²-2Y的最大
实数x,y满足{x-y+1>=0;y+1>=0;x+y+1
已知实数x, y满足x²+y²-2x+6y+10=0,求y∧-x.
若实数x,y满足x-y+1>=0,x+y>=0,x
若实数x,y满足x-y+1》=0,x+y>=0,x
实数x,y满足x^2+y^2-6x+5=0,且x+2y+m
已知实数x满足x^2+2xy+y^2-(x+y)-6=0则x+y的值
若实数x,y满足{2x-y>=0,
实数x,y满足x
已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y