已知实数
满足约束条件
,则
的最小值等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c04897a866bcf5a027ab86fda3d3f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc95fd31f4512e5a41e1744ac904c50.png)
更新时间:2020-02-27 09:59:23
|
相似题推荐
填空题-单空题
|
适中
(0.65)
【推荐1】已知
、
满足约束条件
,若目标函数
的最大值为7,则
的最小值为_______ .
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572302761656320/1572302766956544/STEM/300c7feb1f1f40c7a50b18f86a8f2d2e.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572302761656320/1572302766956544/STEM/4bea112c0f1a4be3ac740f5f88a58b89.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572302761656320/1572302766956544/STEM/21322d33cab64e688c7072b63f5318e8.png?resizew=79)
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572302761656320/1572302766956544/STEM/8b22c815e35048cd9df3103a41278d74.png?resizew=171)
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572302761656320/1572302766956544/STEM/3c9abe1be1094b20884a906e85b7afee.png?resizew=43)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】若变量
满足约束条件
,且z=y-x的最小值为-4,则k的值为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d8e94cbfcaa6f3edc0eb8b5026ea00.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐1】已知实数
,
满足
,则
的最大值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f08b38c93382377928dbfe4f24f453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7397a79cfd8a2f12c47a7c34c1c1cba9.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
名校
【推荐2】设实数
、
满足条件
、
,则可行域面积为______ ,
最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41609a654df5d2b15b85cd1e6a2d5b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b251e35858f91ca23a8dd3a151519ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
您最近一年使用:0次