名校
1 . 已知函数
,若实数
满足,
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978a804e3b15e3036a27f4f73639b8cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512851e3af81008a94d5f77e6ab24d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
1971次组卷
|
3卷引用:广东省佛山市南海区桂城中学2021-2022学年高二下学期第二次段考数学试题
名校
2 . 已知集合
, 则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a7295fd6e33af023d1f2fb7a8bc843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc881d5a6f5c8fad4acccc60e89ff445.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-01-18更新
|
640次组卷
|
3卷引用:广东省东莞市第四高级中学2022-2023学年高一下学期2月模拟数学试题
3 . 集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ea4c27a3a92a44df86b8a5bfd4ec4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6c44de2905a67c76e2db33cff57cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
4 . 集合
,集合
,则集合
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1c44f0f1d8c84493e0afe9c175d663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e9d01221a8c5e72f9c9587221ddb68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5e1e33c1259195f7bb0198a3e6f65a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-04-01更新
|
97次组卷
|
3卷引用:广东省江门市新会区新会陈经纶中学2021-2022学年高三上学期8月月考数学试题
2014·四川成都·一模
名校
解题方法
5 . 设
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ebe820f4cdde6c9cc7eca04bb84329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4be5f5aa6b188b19ff329115cf3d565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
1068次组卷
|
4卷引用:广东省深圳市深圳外国语学校2024届高三上学期第二次月考数学试题
广东省深圳市深圳外国语学校2024届高三上学期第二次月考数学试题广东省肇庆市封开县江口中学2024届高三下学期第一次月考数学试题(已下线)2014届四川省成都七中5月二次模拟理科数学试卷(已下线)2014届四川省成都七中5月二次模拟文科数学试卷
6 . 已知集合A={y|y=log2x,x>1},B={y|y=x
,
≤x<1},则A
B=.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3f2098a9da79ad1369dd385ffc3f288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cfa1e7ffae662aefb49a44c52d4954d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66854bb5784c29a27075e884e10e392.png)
A.{y|0<y<![]() | B.{y|1≤y≤4} | C.{y|1<y≤4} | D.![]() |
您最近一年使用:0次
7 . “
”是 “
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b298cf1dd0dff90bff0e2044de5766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200849ce71f53c0321506e27de437b8d.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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2020-12-11更新
|
99次组卷
|
2卷引用:广东省东莞市七校2020-2021学年高一上学期联考数学试题
名校
8 . “
”是“
”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6d82d173ad18cc040e94c925b5ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f9cbb0d4cb6e69737da7bb4e8b688c.png)
A.充要条件 | B.充分而不必要条件 |
C.必要而不充分条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
解题方法
9 . 设集合
={
|
},
={
|
},则
∪
=
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205183311872/1572205188612096/STEM/112d625b4d8c49ffac09ab7bccb99e24.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205183311872/1572205188612096/STEM/744de912b0d449cc8caf8f5a6a74bb40.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205183311872/1572205188612096/STEM/58921b5c20bc4f9d906a4796d5e5d569.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205183311872/1572205188612096/STEM/9c4869b9ffa44df9b31f3b19e97e0868.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205183311872/1572205188612096/STEM/744de912b0d449cc8caf8f5a6a74bb40.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205183311872/1572205188612096/STEM/145ff4e22f58400cba07010e3b006738.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205183311872/1572205188612096/STEM/112d625b4d8c49ffac09ab7bccb99e24.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205183311872/1572205188612096/STEM/9c4869b9ffa44df9b31f3b19e97e0868.png)
A.{![]() ![]() |
B.{![]() ![]() |
C.![]() |
D.{![]() ![]() ![]() |
您最近一年使用:0次
解题方法
10 . 集合
,
,则![](https://img.xkw.com/dksih/QBM/2015/7/16/1572183313743872/1572183319019520/STEM/6ff725687d804526a2cfb79a5148ae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5443985f6f10b36beaa93c62fc2ef884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b5f05ed9d5445345fe05f1630bdb93.png)
![](https://img.xkw.com/dksih/QBM/2015/7/16/1572183313743872/1572183319019520/STEM/6ff725687d804526a2cfb79a5148ae06.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次