已知:实数x、y满足x2+y2-4x-6y+13=0则y的x次方=
已知:实数x、y满足x2+y2-4x-6y+13=0则y的x次方=
已知实数x,Y满足x2+y2+4x-6y+13=0,则x(-Y)=
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,则(x+y)的2012次方是多少?
已知实数x,y满足关系式x2+y2-6x-4y+12=0
已知实数x,y满足x2+y2+4x-6y+13=0,求yx的值.
已知实数x,y 满足x2+y2+2x=0则x+y得最小值
已知实数x,y满足x2+y2=14x+6y+6那么3x+4y的最大值
已知实数x,y满足x2+3y2+6x-12y+21=0,求x,y的值
已知实数x,y满足等式x2+y2=4,求x+y的最大值
已知实数x,y满足x2+y2=4,求x+y的取值范围
已知实数x,y满足x2+y2+2x-4y+5=0