名校
1 . 已知
,
为全集
的真子集,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6394b96d18de8f97dfb9e94eb4bec61.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-11-10更新
|
103次组卷
|
2卷引用:山东省淄博市高青县第一中学2023-2024学年高一上学期期中考试数学试题
名校
解题方法
2 . 已知集合
,
,
,全集为实数集R.
(1)求
,
;
(2)若“
,
”是真命题,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff35dfd5dd979eb56fabde915b04129c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27031e34742ec4ff07445615353ce686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7353981c4ffd5b1bff0964f5d823173.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375fae50ad1b3d14c011673110256fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
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解题方法
3 . 我们知道,如果集合
,那么
的子集
的补集为
且
,类似地,对于集合
我们把集合
且
,叫作集合
和
的差集,记作
,例如:
,则有
,下列解答正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952f1e0ce5bd53a6d5e8bb07ea2da5f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07001fb1f6f849e7af2eec886f3f05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75b9fb334e93167530565a71ce7b129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa0ca5f1c4f6791d0e086168ddcc688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b998f1e3675e0fa3b790c416a751af63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320222e14cfc0c248cf1eb9eb3f04564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fbcc8f09c86ae5844de9bcdd1f98e5d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/6/ed131300-bd40-4e49-984f-b75889504f98.png?resizew=161)
A.已知![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.如果![]() ![]() |
D.已知全集、集合![]() ![]() ![]() |
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解题方法
4 . 已知全集
,集合
,
.
(1)若
,求
;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ccaf2fb1174d9314c3e9b07846059c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b712321658baf96931473b2e2dca65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57e62215261bf8f62c8756be027e610.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7026b721caf58b61b1daac10d7db2b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7429a7e66c2252e8bfc7493aab5a1bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621f7876de967051d36cbfb9383b7ef6.png)
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名校
解题方法
6 . 已知
.
(1)若
,求
;
(2)在①
;②
;③
;这三个条件中任选一个,求满足条件的实数
构成的集合
.
注:如果选择多个条件分别作答,则按第一个条件的解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1e122f8b8c6ce0be26997b7b233e54.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361048fd1b1a7f3b7230404a04b7155a.png)
(2)在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa39a289220f0997746805a97c6f1023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
注:如果选择多个条件分别作答,则按第一个条件的解答计分.
您最近一年使用:0次
名校
解题方法
7 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7300b636d36ec6f469747edbad476f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c83643d7d0a51eccba7fc7c2895d106.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda922978abb112ea099f28ff9ec1170.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-10-24更新
|
200次组卷
|
2卷引用:山东省济南市章丘区章丘区第四中学2023-2024学年高一上学期10月月考数学试题
名校
解题方法
8 . 下列说法正确的有( )
A.集合![]() ![]() |
B.集合![]() ![]() |
C.![]() |
D.若![]() ![]() |
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名校
解题方法
9 . 已知非空集合
,
,全集
.
(1)当
时,求
;
(2)若
是
成立的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f36b5001e9c63bb84414db45f851a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f10e93675f5c6afde0b4bc8dfbcf56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e5450f24464d07f1a767714fa639cc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
2023-10-23更新
|
579次组卷
|
5卷引用:山东省菏泽市第一中学2023-2024学年高一上学期12月月考数学试题
名校
10 . 已知全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405df3f08e5891db761c585e7a454568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51aedafbdb9a1a072d3ef4a7105b294a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f350873ea039090bb79167c2a08bd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac8445996f9d4051f76fb139e6eeec9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-10-23更新
|
1174次组卷
|
7卷引用:山东省聊城第一中学老校区2023-2024学年高一上学期第一次阶段性测试数学试题