名校
1 . 已知集合
,集合
,
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81842fe905d65515c3f1378723b287fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322f5f9f0fa8dbc4138b0ef4cf93a61.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24a8598213ab6f4704aeaf4bda5c658.png)
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2022-06-06更新
|
955次组卷
|
4卷引用:福建省三明市四地四校2021-2022学年高二下学期期中联考数学试题
名校
解题方法
2 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23c47bb9e38dc4d2477f0253476b220.png)
(1)若
时,求
,
;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19d1f2c79062d92e39cda8ce8a3f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23c47bb9e38dc4d2477f0253476b220.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](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/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-12-08更新
|
290次组卷
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7卷引用:福建省尤溪第一中学2021~2022学年高二下学期数学期末模拟卷(三)试题
名校
解题方法
3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98235f2fdcbec42d7e17661b4bd020a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e33cac3ae96733190b786adc9e8d9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604aa675657a6b086ce1979fc1074c5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-07-25更新
|
462次组卷
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2卷引用:福建省三明第一中学2021-2022学年高二上学期第一次月考数学试题
名校
解题方法
4 . (1)已知全集
,集合
,
,求
.
(2)已知
,
,且
,若不等式
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b4414e2177f3d1bfa00bff1ec31011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f1e95e322b7a89360e8c0aec3169df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536178538dd8176b8743e3ceb94523a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d1cd3edbfbfdb1bd82352ac931a78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 设全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758c86d377c89c650dfa99ff46df5c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed6b36f8adf5502d1a19ac2e5826325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ead22748563277935fee3de1f0880c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758c86d377c89c650dfa99ff46df5c64.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
13-14高二下·福建三明·期中
6 . 已知全集
,
,则图中阴影部分表示的集合是
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927057408/STEM/4afb930eb4704226961bf220644c04bf.png)
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927057408/STEM/e2cdaa88afa748c4b9189338a7dcfcae.png)
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927057408/STEM/610b89051fc440c9918d90e7e8022125.png)
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927057408/STEM/4afb930eb4704226961bf220644c04bf.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-03更新
|
11545次组卷
|
5卷引用:2013-2014学年福建省三明一中高二下学期期中考试文科数学试卷
(已下线)2013-2014学年福建省三明一中高二下学期期中考试文科数学试卷2016-2017学年河北定州中学高二承智班上周练四数学试卷2015-2016学年河北定州中学高一上学期周练一数学试卷2016-2017学年河北成安一中高一上月考一数学试卷2016-2017学年河北唐山曹妃甸一中高一上期中数学试卷
9-10高三·湖北宜昌·阶段练习
解题方法
7 . 已知集合
,集合
,集合
,
(Ⅰ)求
; (Ⅱ)若
,试确定实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6541574f726d66601bbc5314b1a919b4.png)
![](https://img.xkw.com/dksih/QBM/2010/8/23/1569819628273664/1569819633606656/STEM/2356e83b04754406b2c582a2a65d7e79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7490369d091568e35027d362f3c736f.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e0811379579aaf2cd2d3df47fad857.png)
![](https://img.xkw.com/dksih/QBM/2010/8/23/1569819628273664/1569819633606656/STEM/8ce79efd7aa042fe82d9bde66f6820b9.png)
![](https://img.xkw.com/dksih/QBM/2010/8/23/1569819628273664/1569819633606656/STEM/67e1e6cc79af4657aac6f6d79a2b69bf.png)
您最近一年使用:0次
解题方法
8 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72b0e7ad6886648459f6c484523f5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a731a294c5db525fd5cccce4f8c473e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
280次组卷
|
2卷引用:2015-2016学年福建省永安一中高二下期中文科数学试卷
12-13高二下·福建三明·阶段练习
9 . 设全集
,已知集合
,
.
(1)求
;
(2)记集合
,已知集合
,若
,求实数a的取值范围.
![](https://img.xkw.com/dksih/QBM/2013/4/25/1571197545652224/1571197551280128/STEM/5a5febd5652a4b1db26c96e1022bcd56.png)
![](https://img.xkw.com/dksih/QBM/2013/4/25/1571197545652224/1571197551280128/STEM/f9dfea5595004e8f9d9bba1d439c59b6.png)
![](https://img.xkw.com/dksih/QBM/2013/4/25/1571197545652224/1571197551280128/STEM/6c06978f97e444fa877350d740196101.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2013/4/25/1571197545652224/1571197551280128/STEM/0fabeab6e64a4081894dbf638f43f257.png)
(2)记集合
![](https://img.xkw.com/dksih/QBM/2013/4/25/1571197545652224/1571197551280128/STEM/490016f9aeb24dcb8c18d1f67e4a1016.png)
![](https://img.xkw.com/dksih/QBM/2013/4/25/1571197545652224/1571197551280128/STEM/653042e00893480b941707562ab9e122.png)
![](https://img.xkw.com/dksih/QBM/2013/4/25/1571197545652224/1571197551280128/STEM/31c3908701e1441bb92959d0f0a3fc86.png)
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