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 求x y
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
实数x'y满足x≥y≥1和2x^2-xy-5x+y+4=0求x'y的值
已知正实数xy满足x+y=1,求1/(2x+y) +4/(2x+3y)最小值
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,试求x、y的值
已知实数xy满足方程x^2+y^2-4x+1=0求y比x的最小值