1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1c9454f6ebcc900a49c51f3352f649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b293625ea44b95c8e742395578a2e132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b00b73f6e27e555749d5d8b725db0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a885bbc58543f2d8e460211d5a7e9f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 设全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de86dfc0dbd8569ab0463ca648ec0c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b294af6c6bb9f1f8640927cc55b05b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c54c13faa705a0c81542f4535711930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdeeffcab2ab366406d7dac60f84f1c0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
4 . 已知函数
的定义域为集合
,集合
.
(1)若全集
,
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56648ef773429c862db8dc6b3c19ef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2976c0ca99f49b8ae8451a9825c8a602.png)
(1)若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
5 . 已知集合
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de812ee64ab7051bd79a9ef929401809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知集合
,则集合
的子集有______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a588990c5266b7c045c51d0611935281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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解题方法
7 . 设集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d0fc962fb61c29345eba43ae2f4348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf752ccb909d210e2a97c11880519c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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解题方法
8 . 若
,用列举法表示集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffa9bef5f3349a180ad2cfde9fadeb5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa65ed5f84a555f0bb03e006d8212b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffa9bef5f3349a180ad2cfde9fadeb5.png)
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名校
解题方法
9 . 函数
的定义域为
,函数
.
(1)若
时,
的解集为
,求
;
(2)若
时,集合
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5845cbecc8294aa6eddc0fe24ee10ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8acdcdf2f42bd735b9f1485644c8bfb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbf6506e9de40da0f3c51b81b35a901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa38ca27c6c0c40d5e36b2ae4fb7ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237a84d666a88bdad9c99107cddbcbe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b403520358cdf538fbacff48b55ef7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
10 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282e995abdf2a7a0be290f9538359968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365c84a007e82cda046ba107d8804694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c105e7649e4eff5001fd62952855ec1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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