解题方法
1 . 若
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/991d42db53337e234f280e115819bde2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aba3f06a47c86b096f284cde5270594.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 设变量x,y满足
,则x+2y的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbfa6cc51caf6749a1a0968c68e772cc.png)
A.-2 | B.2 | C.1 | D.0 |
您最近一年使用:0次