1 . 某班共有26名同学参加了学校组织的数学、英语两科竞赛,其中两科都取得优秀的有8人,数学取得优秀但英语未取得优秀的有12人,英语取得优秀而数学未取得优秀的有4人.试求出数学取得优秀的人数、英语取得优秀的人数及两科均未取得优秀的人数.
您最近一年使用:0次
2 . 设全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4f59a3fd052f229e79e5aefa517913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a22f8d9188279429b395c30b2898ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f1b0858395d2424dc96616173c4b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21cc993247bded6954ca1119c90ddb8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知全集
,
,
,则下列集合为
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b5c349655fc035b45cc93120b6dd3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb6f25fb7cc222c823b87d7e730e766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9707eac9582ac1ee25c97520262d36d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc59d18cdfd8812adcd3d8eb8b2b22c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 设
,
,
或
,求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41dc3c5d834239cfe370ef80a40b34f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c73c8bda959ad880f60f014c400fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6b253b187fe36e6bd40c46bcfc114a.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5783bbe3c8f5c972179baa4b18b4b956.png)
您最近一年使用:0次
2020-02-29更新
|
291次组卷
|
2卷引用:河北省衡水市深州市长江中学2019-2020学年高一上学期期中数学试题
6 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142d19065b549854246009a19164d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d86b87b54480c86df52e979a4a934b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715476727accc3c6b3c71f2f25c3aaad.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 设全集为R,若集合
,
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95416caf71dbb22d38920c02fc4c0a09.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad0f7c904d295ebe1eb561e1f0b7306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350a3ed7f0cf15e2c11425940d43881e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95416caf71dbb22d38920c02fc4c0a09.png)
您最近一年使用:0次
8 . 集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6d3234fe33df1f27cb8c24d235f169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed03c684b51fb5a6ec7955770f70d3fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00cd4bb6ba590763d63e8602a70a0e38.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 若全集
且
,则集合
的子集共有________ 个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f047fef694ecb6cae51c941fdf0fdb22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9da0f83466637cd822ac0c7be004e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2020-01-08更新
|
299次组卷
|
3卷引用:湖南省邵阳市第十一中学2019-2020学年高一上学期12月月考数学试题
10 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0329451c55289d067a1a5988e9bca8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f892c39e45c68204c6ba16e129704992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92e9703baab31dd3c1563184ba47561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0329451c55289d067a1a5988e9bca8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次