名校
解题方法
1 . 已知函数
,则
的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355a7ae86b22843754c5d19019e022d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064a5222fa123994fc74c44d3dd775e0.png)
您最近一年使用:0次
2 . 若
,
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/144a644e074e4c2275166c286c6fee93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89a1b9ede2f13c7aebce20945105e18.png)
您最近一年使用:0次
2020高三下·全国·专题练习
3 . 记不等式组
,表示的区域为
,点
的坐标为
有下面四个命题:
,
;
,
;
,
;
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a12826a9b45f636408a024711a76487.png)
其中的真命题的个数为____________ 个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f19e56273e4f7eb76a51c3018944d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f5a1d04aeed1b814fd6193115940ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1bfbe6a0148e47798a3395ac537dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1a5d6be4175823840fba036de6fbe4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df32b4318a22499344576c3ebd4b0442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107e759deab6e7abee32a32aee3311d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69935a2e371a4368eb91a63fc49671e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0caa17b39ef84801e91c04468c397e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a12826a9b45f636408a024711a76487.png)
其中的真命题的个数为
您最近一年使用:0次
解题方法
4 . 若实数
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/5515beec138ae5ad5bff04bd0522bb7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
2020-05-06更新
|
162次组卷
|
2卷引用:江西省百所名校2019-2020学年高三第四次联考数学(理)试题
解题方法
5 . 已知变量
满足不等式组
,则
的最大值是____ ,若使
取得最大值的最优解有无数个,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd0096f203f5043f6e972a208c8ffc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08b67e585ece07908127938b1a7baea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b4288421aeec82472352aea45a2e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
解题方法
6 . 已知实数
满足不等式组
则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d616cdb1ddb4af839299bb862a3780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b09391821c47147d77db37a7e9b08ff.png)
您最近一年使用:0次
7 . 若
、
的方程组
有无穷多组解,则
的值为________
![](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/1423117edfdd3189758aa5a561d2026b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3475184d135bb243d16eae1ad21acf.png)
您最近一年使用:0次
2019-11-06更新
|
117次组卷
|
2卷引用:2019年上海市松江区高三4月模拟考质量监控(二模)数学试题
8 . 已知实数
满足
则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c22073450e006fe92c39e9bda7d84d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7c99486743e17633d086d868f0680c.png)
您最近一年使用:0次
9 . 已知实数
、
满足约束条件
且目标函数
既有最大值又有最小值,那么实数
的取值范围是__________________ .
![](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/7b3559b9475f6a7e43c052b9f9868c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee51b0cac927e6445e4b94438c2ff3da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 设实数
满足条件
,则
的最大值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b811ce908ba143f7ea2f40122919cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63d780e493c309b46219fa06bc3c571.png)
您最近一年使用:0次
2017-06-18更新
|
200次组卷
|
2卷引用:贵州省凯里市第一中学2016-2017学年高二下学期自主学习效果检测数学(文)试题