1 . 已知
,集合
.则集合
中所有元素之和为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca72a26db57090bba9eb901e694195bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37013abe2917d3a92d070885a0c215f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2 . 已知集合
,则集合
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4117120c3df7a13e62acfb09fa8cb8c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89614900c936f5e591e8b4ee9631f8f.png)
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次
2024·全国·模拟预测
解题方法
3 . 若集合
,
,则集合
的真子集的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5184ce7911ffb9b4bf446816223e3c26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfa72aa72494910364d6b0f1bcc6929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
4 . 已知集合
,
,若定义集合运算:
,则集合
的所有元素之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9a1e9dd14cbd2271ba2f472664ad57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06c06860015b91cd0da6e70c4e678412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a2ed2517d87766baacb47808b8d583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5231cb0bfedf2f963c1830adfd74aa.png)
A.6 | B.3 | C.2 | D.0 |
您最近一年使用:0次
2024-03-29更新
|
524次组卷
|
3卷引用:湖北省(圆创)高中名校联盟2024届高三下学期3月月考数学试题
名校
5 . 已知集合
,
,
.则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe178b8fce2fe95b9ab6c69c5902994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6968175811cc189451571e19807ba66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923bbdba860259fd828d60c712872321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82703bf2f7a8c9522d54f74f22a76ac8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知集合
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e301a893b4e5f9ed35fd913db9c32c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa58e4df2663e1a47d3101d6184cf950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知集合
,
.若
,则实数
的取值集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb470b7eeb3e0806d824bf51f2eae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce6472e75129401be5ecaf64fc859b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
8 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fa5a8bc1fb8846d03798012ef5630a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656f9b8f27f9c0f4d997d842426b358d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c9376367ec612a3fbdfec5aea1b3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-15更新
|
988次组卷
|
3卷引用:2024届河北省部分高中高考一模数学试题
2024·全国·模拟预测
名校
10 . 已知集合
,
,则集合
的真子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32119bdfd6da3e8f08f9018c2d5af363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.8 | B.16 | C.31 | D.63 |
您最近一年使用:0次