若实数x,y满足x-4y+3≤0,3x+5y-25≤0,x≥1,
若实数x,y满足x-4y+3≤0,3x+5y-25≤0,x≥1,则2x-y的最大值是多少
若实数x、y,满足x≥0y≥04x+3y≤12
若实数x,y满足x-4y+3≤0,3x+5y-25≤0,x≥1,
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
若实数x,y满足x≥1x+y≤4x−2y+c≤0
已知实数x,y满足x−y+5≥0x≤3x+y≥0
若实数x,y满足x-4y+3≤0,3x+5y-25≤0,x≥1,则目标函数z=y/x的最小值为?
若实数x,y满足x-4y+3≤0,3x+5y-25≤0,x≥1,则目标函数z=2x+y的最小值为?
若实数X,Y满足约束条件:X+2Y-5≤0,X≥1,Y>0,X+2Y-3≥0,那么Z=X²+Y²/X
设实数x,y满足条件x≥0x≤yx+2y≤3
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2x+y−2≥0x−2y+4≥03x−y−3≤0则x