解题方法
1 . 设
满足约束条件
若目标函数
的最大值为
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7edac77829e7aec29f8980f577959098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bee45cbd6d0151dd8b53a27b8afc5de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abb61d02aa788724e5a04f8d66e0f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8df2412a44735d6fea24a632b9610e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
名校
2 . 若x,y满足约束条件
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab458560c6050b043990e8c77ad860a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2ef922c078e004de25733193e187c9.png)
您最近一年使用:0次
3 . 已知实数
满足
,目标函数
的最大值是
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ ,
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c8da40c18ac8f6e27daedbb97b09b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772357011589b25c2872084bf9c44c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
名校
4 . 设变量
,
满足约束条件
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/fe375ab3a668d4c3c89426cef097f878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7c99486743e17633d086d868f0680c.png)
您最近一年使用:0次
2018-05-24更新
|
797次组卷
|
2卷引用:【市级联考】四川省达州市2018届高三第四次模拟数学(文)试题
5 . 已知实数
满足
,则当
取得最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d9e40bcbf4879e663a8875f55a661d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ee954bc979072b7f55ce9ed3c70f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f0b97fdfebd0cd0d78e78df1e77c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d9e40bcbf4879e663a8875f55a661d.png)
您最近一年使用:0次
解题方法
6 . 已知
为坐标原点,点
的坐标为
,点
的坐标
满足
,则
的概率为_________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0924ff22fff9f5639feb0ceeece80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffbca194ac467f226654cbd444a1813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ebf104fd58f4c2bd55c6b76adc981c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998739b15c3a3c17ba7c1bd0728c5e3e.png)
您最近一年使用:0次
2016-12-04更新
|
277次组卷
|
2卷引用:2015-2016学年河北冀州中学高二上第三次月考理科数学卷