已知实数x y 满足x^2+y^2-xy+2x-y+1=0,试求x y 的值?
已知实数x y满足x×x+y×y-xy+2x-y+1=0 试求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
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x的平方+y的平方-xy+2x-y=1=0,试求x,y的值.
已知实数x y 满足x^2+y^2-xy+2x-y+1=0,试求x y 的值?
已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y
已知实数x、y满足x²﹢y²-xy+2x-y+1=0,试求x、y的值
已知实数xy满足x^2+y^2-6x+4y+13=0求x^y的值
已知实数X.y满足X^2+xy-y^2=0,求x/y的值
已知实数x,y满足5x^2-3xy+1\2y^2-2x+1\2y+1\4=0,求x,y的值
已知实数x、y满足5x²-3xy+1/2y²-2x+1/2y+1/4=0 求x、y的值
已知实数x、y满足x²+y²-xy+2x-y+z=0,试求x、y的值