名校
解题方法
1 . 若
满足
,则目标函数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db1043414734792021fb56118283468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4489516aca67a6afe53fac2f1477f76.png)
A.8 | B.9 | C.2 | D.1 |
您最近一年使用:0次
名校
解题方法
2 . 如果实数
满足等
,那么
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd1acb47776886a3b6286d85aace4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f40713c77f94e80cb1023e5ea0f1b66e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
2022-11-20更新
|
240次组卷
|
2卷引用:广东省深圳市南头中学2022-2023学年高二上学期期中数学试题
名校
解题方法
3 . 已知实数
,
满足约束条件
,若目标函数
的最大值是7,则实数
( )
![](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/fb9660f2ce7442bf3f6d690dbde643e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7620b0278bcb316da6e5dafaa18ea268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-03-17更新
|
680次组卷
|
4卷引用:广东省汕头市第一中学2022届高三下学期4月月考数学试题
解题方法
4 . 若非负实数
,
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/6b4be8299d865cd617a09e0497dd86c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a311167ece8f398964da7e13c3a8a278.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知实数
,
满足
,当
时,则求
的取值范围______________ ,求
的取值范围______________ .
![](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/20b8d3564d7ae5687f69b64b150c4b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966d9dd819cba29980da3700422c2497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5250eea09b834b8ca9ec535b11a6ecbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
您最近一年使用:0次
解题方法
6 . 目标函数
,变量
,
满足
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4489516aca67a6afe53fac2f1477f76.png)
![](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/615584e8eff189a1e884fabd53e069e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
2021-03-31更新
|
33次组卷
|
2卷引用:广东省梅州市兴宁市下堡中学2021届高三下学期期中数学试题
解题方法
7 . 若实数
,
满足
,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/8453838276307b7b225b91f4d87079f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9be1b9f1ef737d9042e94ed9e50a800.png)
A.5 | B.7 | C.9 | D.11 |
您最近一年使用:0次
名校
8 . 已知点
与点
在直线
的同侧,给出下列四个命题中正确命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7903097d9663549d86e6267da59537a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fc88ea5357b675c01e93c62fea338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5d58c8c55fc8dac4fcdf3221300316.png)
A.若![]() ![]() | B.![]() |
C.![]() | D.当![]() ![]() ![]() |
您最近一年使用:0次
9 . 已知实数
,
满足
,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/715e3ac7ff027a9d2218a409a96fda11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7c99486743e17633d086d868f0680c.png)
您最近一年使用:0次
2020-12-10更新
|
264次组卷
|
2卷引用:广东省广州英豪学校2020-2021学年高二下学期开学检测数学试题
名校
10 . 已知实数
,
满足不等式组
,则目标函数
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/65b5faa35250116ed43040084a9a3b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4489516aca67a6afe53fac2f1477f76.png)
您最近一年使用:0次