求下列不等式的解集
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392ad3a85cb00d53e536959687a7c7a0.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d8a600e7b6a10eeb9f96c3462cf35e.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d042515ff69a42c9cbcacfdf96251c.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392ad3a85cb00d53e536959687a7c7a0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d8a600e7b6a10eeb9f96c3462cf35e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d042515ff69a42c9cbcacfdf96251c.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1e54788475ada391af43b0643784eb.png)
更新时间:2022-11-16 14:07:00
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】已知函数
,当
时,
的值域为
,
(1)求实数
,
的值.
(2)记集合
,
,若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ec7f9b679d0a221e7918c82caa88ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc860ea794f348068811e2a63a116806.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521d0bdf1701b8f2245d7a8b40575042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609081c9ffad293d1220fa8fa5397dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】(1)若
,求
的最小值,并求此时x的值;
(2)解不等式
;
(3)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9929b4a95df4cb001be158a1600ae5e4.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609c326212b7f730962ec3fe1a2fab3b.png)
(3)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e68bd306232fb7c3dab7b2e2c52c7da.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】已知集合
,
.
(1)当
时,求
;
(2)设命题
,命题
,若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f853d4018fa4aae51447d12876a9d54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1bd64d2f1d2f20ff9aa22647a6c33e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次