若实数x,y满足{x-y+1≥,x>0},则y/(x-1)的取值范围是
若实数x,y满足{x-y+1≥,x>0},则y/(x-1)的取值范围是
实数X.Y满足X*X+Y*Y-2X-2Y+1=0,则(Y-4)/(X-2)的取值范围是?
已知实数xy满足x/y=x-y,且y>1,则实数x的取值范围是
若实数X Y满足y=2x+1,且x小于等于2y大于等于3,则y/x的取值范围是 ?
若实数x,y满足2x*X+3y*y=1,S=3x*x-2y*y,则S的取值范围为
若实数x,y满足x+y+1≤0,x≥0.则y/(x-1)的取值范围
实数x,y满足x+2y-1≤0,x≥0,y≥0,则绝对值2x+y-1的取值范围
若实数x,y满足x−y+1≤0x>0y≤2,则yx的取值范围是( )
1.若实数X,Y满足不等式组 y≥0 x-y≤4 2x-y-2≥0,则W=(y-1)/(x+1)的取值范围是?
实数x,y满足不等式x+3y-3=0,y>.=0,则ω=y-1/x+1的取值范围是
若实数x、y满足条件x²-y²=1,则(1/x²)+(2y/x)的取值范围是?
设实数x,y,满足[(x^2)/16]+[(y^2)/9]=1,则[(y-4)/x](x≠0)的取值范围是?