1已知实数x y满足x^2+y^2+2x-2√3y=0 求
1已知实数x y满足x^2+y^2+2x-2√3y=0 求
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+2x-2√3y=0求:
已知实数,y满足x^2+y^2+4x+3=0,求y-2/x-1的值域
已知实数X,Y满足√2X-3Y-1+|X-2y+2|=0,求2X-4分之5y的值
已知实数x,y满足(√2x-3y-1)+|x-2y+2|=0,求2x-(4/5y)的平方根.
问一条数学题:已知实数x、y满足√(2x-3y-1) + |x-2y+2|=0,求2x- 4/5y的值
已知实数x,y满足(x+y)^2=1,(x-y)^2=25,求x,y的值
已知实数x, y满足x²+y²-2x+6y+10=0,求y∧-x.
已知实数x,y满足条件{2x-y+1≥0,2x+y≥0,x≤1,求z=x+3y的最小值.
已知实数x.y满足根号(x+y-8)+根号(8-x-y)=根号(3x-y-4)+根号(x-2y+7),求x,y
已知实数x y满足x×x+y×y-xy+2x-y+1=0 试求x y的值