1 . 已知全集
,集合
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0138bfb7407fc0af212dc439d705cfb3.png)
_______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f712c090c0ee3236ec7e9ddba42e960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea88acab872f6ba76c8c092e114b63f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73bdbc9e0aa626fff7241e707e67575c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0138bfb7407fc0af212dc439d705cfb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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解题方法
2 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bb39f6aa5763c7252e411f8cf31a2a.png)
,则满足
的集合C的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bb39f6aa5763c7252e411f8cf31a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dc4ec42a9b7b8c51dcc091d87fd58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd089af2b898c37371cee5ebbc07be7d.png)
A.2 | B.3 | C.4 | D.5 |
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3 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49cbdf82cbf7e564a73b26ecfc46403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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4 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6ccd27aaef0641a727c2b93e48f2f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b008182d2c09dc884ef5fcf9e7651d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87cd8ac27dcd9ebf4ae3727c7544264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9483e122e2b8b02794ce03405ba48a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 群论,是代数学的分支学科,在抽象代数中.有重要地位,且群论的研究方法也对抽象代数的其他分支有重要影响,例如一般一元五次及以上的方程没有根式解就可以用群论知识证明.群的概念则是群论中最基本的概念之一,其定义如下:设G是一个非空集合,“.”是G上的一个代数运算,如果该运算满足以下条件:
①对所有的a、
,有
;
②
、b、
,有
;
③
,使得
,有
,e称为单位元;
④
,
,使
,称a与b互为逆元.
则称G关于“·”构成一个群.则下列说法正确的有( )
①对所有的a、
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5463eaf01a62bc6a772301d9e2ad19c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3f45d933b1fe6d165baca14522a272f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f276b82d4e984675615cc27f9a764cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459aa90a6c76081e2150c67d8ac00fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0ed75445ef8018f6b4f8eeaf66c87f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27321be7cc5aec6555c61775f6638cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf00e8864c86c3ce8118ea76bf69773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dbb1f1d1d893beaa9c985e9e24ddb10.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf00e8864c86c3ce8118ea76bf69773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f0119b6de9149150071fe7ed848aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934f38af5941b1129fec039554bd4889.png)
则称G关于“·”构成一个群.则下列说法正确的有( )
A.![]() |
B.自然数集N关于数的加法构成群 |
C.实数集R关于数的乘法构成群 |
D.![]() |
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6 . 集合
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a18ce0fd485ae199f51654e62475c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac4764cf2bfd520b6c47d06407a1d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 已知集合
,集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e496b645560cd7ab5256399bb18ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d625b18a5036ed265b3ac7ca6901c8c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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昨日更新
|
149次组卷
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2卷引用:北京市延庆区2022-2023学年高二下学期期末数学试卷
8 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2bac9821ef97820ae2b4c365690d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知集合
,则图中阴影部分表示的集合为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e147b100e24e6ecbd79c395e5946477b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b00150a85ce319e9477e2fbfdfd112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a59892d7e996d1fa57f0c017911cce7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4437ed14585a5b64036e9d4289d58b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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