已知全集U=R,设M=
,N=
.求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e0511808754b21e307f9b479ccb28c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a185cfda032f64dec5271eef5ff717f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63dc9188220c12240d2fa11e091006c.png)
更新时间:2020-01-14 17:48:34
|
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】已知集合
=
,
=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d67a8788426ae194510a3314db0154.png)
(1)当
=
时,求
;
(2)若
=
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03e56efe1b0e9c7380c486f090bb20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d67a8788426ae194510a3314db0154.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0e412534f30a832de0c26c8076c7c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78622265341133d472cb5b97ede11a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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
解题方法
【推荐1】若不等式
的解集是
.
(1)解不等式
;
(2)
为何值时,
的解集为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930a579ddfca10913b201cd03a2eedcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a70c4154f943ba537fb96b35c438d8f1.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383e0cc4ef5dc56a26a863f71bfce1f9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccde612fbe83acbab912593ea7665f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
您最近一年使用:0次