解题方法
1 . 设
,
满足约束条件
,则
的最小值为( )
![](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/410d336ad72069d1a107b02d38d076bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75407f5349719aba26f58213459793eb.png)
A.-1 | B.2 | C.4 | D.5 |
您最近一年使用:0次
名校
解题方法
2 . 已知
,
满足约束条件
,则
的最大值为( )
![](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/038e8091578f3d1558997c3d9bc3f220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81b5f818af5d7f3dbd8f557599580d1.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
解题方法
3 . 若实数x,y满足约束条件
,则
的最小值是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1108f295881fe3bfbdc4b7c40d7eeef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a125cb40ab3d54de9f3a444032af5e4.png)
您最近一年使用:0次
解题方法
4 . 设
满足约束条件
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b73bfd5a1fdedbe7b0d17a06086906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd5865e05b1dadba340b6b60efaa89a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-01-14更新
|
24次组卷
|
2卷引用:福建省莆田第十五中学2019届高三上学期期末考试数学(文)试题
解题方法
5 . 设
,
满足约束条件
,则
的最小值为( )
![](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/0372a75122278fe0c54eb1120cf01613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a125cb40ab3d54de9f3a444032af5e4.png)
A.![]() | B.![]() | C.![]() | D.5 |
您最近一年使用:0次
解题方法
6 . 已知变量
,
满足
,目标函数是
,则
的最大值为______ .
![](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/07d064a44d176fa2c2f296ff417b997b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ea614559b4ad922c275408102e7abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
解题方法
7 . 已知变量
,
满足约束条件
,则
的最大值为______ .
![](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/1d68363d645eaa3cd867fb312748893b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee51b0cac927e6445e4b94438c2ff3da.png)
您最近一年使用:0次
8 . 已知实数
,
满足条件
,则
的最大值为( )
![](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/6abf7b7027ebf3c053ba99117390cc26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfeb8b0075f7dcfc571034c2a849e98.png)
A.0 | B.3 | C.8 | D.9 |
您最近一年使用:0次
名校
解题方法
9 . 若实数
满足
,则
的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595c639f6e0ade6eefda0383d7725c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed87ef4f388badfa37eca752a319860.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-08-06更新
|
124次组卷
|
3卷引用:福建省安溪一中、养正中学、惠安一中、泉州实验中学2019-2020学年高二下学期期末联考数学试题
解题方法
10 . 设变量x,y满足不等式组
,则目标函数z=2x+y的最大值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bda2c0022508ce1114d551d7fb45c5a.png)
您最近一年使用:0次