若实数x,y满足不等式组2x−y≥0x+y−3≥03x+y−8≤0
若实数x,y满足不等式组2x−y≥0x+y−3≥03x+y−8≤0
若实数x、y满足不等式组x+y≥22x−y≤4x−y≥0
若实数x,y满足不等式组x+3y−3≥02x−y−3≤0x−my+1≥0
已知实数z、y满足不等式组x−2y+3≥03x+2y−7≤0x+2y−1≥0,则x-y的最小值为( )
若实数x,y满足不等式组x-y+1≥0x+y-1≤0y≥0
若实数x,y满足不等式组2x+y≤4x≥0y≥0
若实数x,y满足不等式组x+2y−4≥02x−y−3≥0x−y≥0则x+y的最小值是( )
(2013•烟台一模)已知实数x,y满足不等式组2x−y≥0x+2y≥03x+y−5≤0,则2x+y的最大值是( )
若实数xy满足不等式组x-2y≥0,x+y-3≥0,x-y-3≤0,则2x-y的最小值为?
如果x,y满足不等式组x≤3x+y≥0x−y+5≥0
已知实数x、y满足不等式组3x+8y+15≥05x+3y−6≤02x−5y+10≥0,那么Z=x-y的最大值等于( )
若实数X,Y满足不等式组y≤2,x-y≥0,x-2y≤0.则z=x+y的最大值为