名校
解题方法
1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8217c2bc0dc5e0f217edff8e87f0c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d56e6558ee77ff7a5a6f3df2d0a84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知实数a、c满足
,关于x的不等式
的解集为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f535c3f1a4c7ef143e3e89a3853b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3032b6fd015e2c4ee8cf1eef2939ff9.png)
您最近一年使用:0次
名校
3 . 集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f77f6b43803eedde7553d0c138d664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d3dcaa4e44a08c9869fdb878f91388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-12-17更新
|
309次组卷
|
2卷引用:湖南省长沙市第一中学、株洲二中等湘东七校2019-2020学年高三上学期12月月考数学(文)试题
4 . 解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb93f6c25cb374f59b51550c7f5c9f89.png)
您最近一年使用:0次
5 . 若不等式
解集为
,不等式
解集为
,不等式
解集为
,那么
值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e1bcced697608aa2a6c6afcc181da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6cb082e030e89a923e4e47ec7abff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f05017d6d719d788f6a5372eeae631f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-03-28更新
|
230次组卷
|
2卷引用:2020届安徽省六安市第一中学高三下学期模拟卷(六)数学(理)试题
名校
7 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8e8c28d4b8379443755e4e01137175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911541b3baae3ebd642f86e0621ba5b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知集合
,
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d52480d7799ba8b9b559d9f8d17132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644b8b0a0648993f05ea107a82a022b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-12-07更新
|
390次组卷
|
2卷引用:【市级联考】湖北省荆州市2019届高三上学期质量检查(一)数学(文)试题
名校
9 . “
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87249dcd658c64cfa152b4c164b27e4c.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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10 . 设集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f016dbf216fcc596ac3a981966d35e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a979f2fde6827c10d419997cd07842c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f016dbf216fcc596ac3a981966d35e2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次