设
,若
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182d365f845be89b63f9ce45f960cd44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
19-20高一·上海·课后作业 查看更多[1]
(已下线)专题06集合的运算2020年初升高数学无忧衔接(沪教版)
更新时间:2020-08-16 06:57:52
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相似题推荐
解答题-问答题
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适中
(0.65)
【推荐1】设不等式
的解集为集合A,关于
的不等式
的解集为集合B.
(Ⅰ)若
,求实数
的取值范围;
(Ⅱ)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4e05eabe40863c46b36183838fdcb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f064c19b07159fb5a1b050fdf5c6d94.png)
(Ⅰ)若
![](https://img.xkw.com/dksih/QBM/2015/11/12/1572286379671552/1572286385774592/STEM/c818be7143a74a7885bdb0be78337cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)若
![](https://img.xkw.com/dksih/QBM/2015/11/12/1572286379671552/1572286385774592/STEM/060618d27e4b42769afabd4fe0d728e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】设集合
,集合
.
(1)若
,且“
”是“
”的必要不充分条件,求实数m的取值范围;
(2)若
中只有一个整数,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514695943af235b19fff35bfa4b6f908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1cc558589f641c0b5052497b2950629.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928cd155cf20033821c58ab602111bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3f308e88a3790f277977a6248ef78c.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】若
、
是关于
的方程
的两个实数根,且
、
都大于
.
(1)求实数
的取值范围;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ed4ab22b5cc3c35d2addb244226b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fda52d5ebf1461c93a4dd4d7803248b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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适中
(0.65)
名校
【推荐2】已知
,设命题
:
,命题
:关于
的一元二次方程
有两个不相等的正根.
(1)若
为真命题,求
的取值范围;
(2)若
、
中有且仅有一个是真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b78a64c08cd5faa5127f99b0159e5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5707186257494f1fea86066f2778b5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次