已知x.y满足(x-y-2≤0,x 2y-5≥0,y-2≤0 则3x+y/x+1得多少

已知x,y满足x+y-2>=0,2x-y+2>=0,x 已知x,y满足约束条件：x-y+1>=0,x+y-2>=0,x 已知x.y满足(x-y-2≤0,x 2y-5≥0,y-2≤0 则3x+y/x+1得多少 已知实数x,y满足不等式组x≥0,y≥0,x+y≤1,则x^2+y^2-2x-2y的最小值 已知实数x,y满足不等式组：2x-y=0,x+2y 已知正整数x,y满足：xy-x-y=0,则x+2y的最小值 已知正数x,y满足2x+8y-xy=0,x+y的最小值 已知x,y满足y 已知实数x,y满足条件x≥0,y≥x,3x+4y≤12,则(x+2y+3)/(x +1)的最大值是 已知x,y满足不等式x^2+y^2+2≤2x+2y,则x+2y=? 已知实数x.y满足(x+2)^2+y^2( 已知x,y满足x^2+y^2-6x+8y+25=0,求y^x的值 已知x、y满足：x^2+y^2+6x-10y+34=0,求y-x的值 已知圆x,y满足x^2+y^2 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x²+y²-xy+2x-y+1=0 求x y 已知x、y满足x²+y²+2x-4y+5=0,求x、y的值 已知X,Y满足|X-Y-1|+（X+Y-3)^2=0求X,Y的值