名校
1 . 已知实数
,
满足不等式组
,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/ff4cbffcced9b9a68a2250d2dc08e8a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec87fb122b326ff30a111d85353c8f22.png)
您最近一年使用:0次
2019-09-13更新
|
642次组卷
|
2卷引用:安徽省安庆市2018-2019学年高一下学期期末教学质量监测数学试题
名校
2 . 若关于
的方程
(
)在区间
有实根,则
最小值是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1146110d4382c714c10de00dd1273b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f735f4eaa675a9e659665b65a2008ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa10ae8ffb24a808192edeaa260a3840.png)
您最近一年使用:0次
2019-09-12更新
|
463次组卷
|
3卷引用:浙江省湖州市2018-2019学年高一下学期期末考试数学试题
名校
解题方法
3 . 已知实数
满足
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b672aad8cac57acdc9654d95699c00c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27aed71aba1cd99db618c9a98fa9f997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3109dd281bf47a57bbfe18d9297ee2.png)
A.8 | B.2![]() | C.4 | D.6 |
您最近一年使用:0次
名校
解题方法
4 . 已知实数
满足
,则
的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08096e8ce314eee90ce54e0215123b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b1d7f18dc500e4d345b0703afbc6cb.png)
您最近一年使用:0次
2019-07-17更新
|
1574次组卷
|
4卷引用:黑龙江省牡丹江市第一高级中学2018-2019学年高一下学期期末数学试题
名校
5 . 设实数
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/860d79eeb20831ea0402ea072b818c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f95fed2597ac3d45d872e7313c2b3bc.png)
您最近一年使用:0次
名校
6 . 已知
,
满足约束条件
,则函数
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/0134e8fea877ac190e212b9ea035c8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1866ea8fd3d58a03d7847430441240c9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知实数
满足不等式组
,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1797fc4dfc8f56c87e651e2268bd3740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
您最近一年使用:0次
2019-06-10更新
|
1133次组卷
|
7卷引用:安徽省安庆一中2018-2019学年高一第二学期期末考试数学试题
8 . 已知
是圆
上任意一点,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60c4eeb32c5729e219e8940887853d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17b0033ec26789418ffe13fa677e0f6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知
,
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/75d91fa4672f02ff48780a2653c43c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ed213937a860291cf41a10a48966f7.png)
您最近一年使用:0次
10 . 若
满足关系:
,求出
的最大值______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b1480c29bf6fc1fe7620f2898cd8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9459b541db97b88e28abed3358337352.png)
您最近一年使用:0次