题目内容
变量x,y满足条件设z=,则z的最大值为________,最小值为________.
已知变量x,y满足条件设z=2x+y,取点(3,2)可求得z=8,取点(5,2)可求得zmax=12,取点(1,1)可求得zmin=3,取点(0,0)可求得z=0,则点(3,2)叫做________,点(0,0)叫做________,点(5,2)和点(1,1)均叫做________.
已知变量x、y满足条件设z=2x+y,取点(3,2)可求得z=8,取点(5,2)可求得,取点(1,1)可求得,取点(0,0)可求得z=0,则点(3,2)叫做_____,点(0,0)叫做____.点(5,2)和点(1,1)均叫做_____.
已知变量