1 . 已知全集
,集合
,集合
,集合
.
(1)若
,求
、
的值;
(2)若
,求
的值;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d396bb8deccd454cd93201542de756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ca330f460bd5e5e39dbaeec8bcb5cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35593f7f4d79a9dca1159bd0f14eace.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b21a454b59ea1a9afbdb5ec0a629198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bb182c11828ef829a01c0d13f3f9dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93a20e40c76a22ead5a67140018852f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-10-21更新
|
823次组卷
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2卷引用:上海市华东师范大学附属周浦中学2020-2021学年高一上学期10月月考数学试题
名校
2 . 设
,
,(
),则下列选项与
,
,
等价的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70bc24b9a05465aee92bf8e77813109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0dab5756cd6dde998058ecfe5b213f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d79eb54650d3d400455b637c0b1ccc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a8128f333a6a6b558a3089c7f3ed88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7be99edf312446cc01f4aac66ff8cc8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd30edfbb8d6d4a421947349f62a6494.png)
A.方程![]() ![]() |
B.不等式![]() ![]() |
C.存在互不相等的两个实数![]() ![]() ![]() ![]() |
D.存在三个互不相等的实数![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2021-10-17更新
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152次组卷
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2卷引用:上海市奉贤中学2020-2021学年高一上学期10月月考数学试题
名校
3 . 通过相等关系和不等关系的类比,我们可以得到很多不等式的性质,比如等式具有传递性:设
、
、
,如果
,
,那么
,我们可以类比得到不等式的传递性:设
、
、
,如果
、
,那么
.请你根据下列等式性质,类比得到相应的不等式性质.(无需证明)
(1)设
、
,如果
,那么
、
;
(2)设
、
、
、
,
、
,如果
,那么
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097ca400d4619a94c4282c1ef6ec68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05d3b8f5c9df891ef6fbcaf12f43207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759b29a7b2b3735306f1a650355a7858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097ca400d4619a94c4282c1ef6ec68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46196aec06c25d5c8f9b1d3a8f50a889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069390dd908ff203327958117a226593.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58424beef0de6926a633bc188b5bc23a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea2f871d6a05af4839cf84111384dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c35ebeda85591e71aa1b523ce5aa2a3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993e45b3291e3be0f6ea493743cb48b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df50f7ca6a558c16090f6fce5db81d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73211359fe89a6d48deeb68bec9ffcb.png)
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4 . 若集合
,则集合
的元素和为奇数的非空子集的个数是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1e7e2241dec945bdf19256bf537832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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解题方法
5 . 设集合A是不等式
(
)的解集,
.
(1)求A;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6048ff0be99a96698fc535d887840f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44aca6c00903b9dd306287ba3bb91035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b7313c3c391270027efea5224e8d01.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知命题P:不等式
命题
:集合
,
且
.
(1)分别求命题P、Q为真命题时的实数
的取值范围;
(2)若命题P、Q中有且仅有一个为真命题,求实数
的取值范围;
(3)设命题PQ皆为真命题时
的取值范围为S,T={
|
}
{
|
}(m>0),若
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7306968a1dc8af696279b5b77926b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a637841b451db3c7bd3a9c7221e87993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea1cf5bd9058590ffeecff1896ba475.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
(1)分别求命题P、Q为真命题时的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若命题P、Q中有且仅有一个为真命题,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设命题PQ皆为真命题时
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ac890ea74e94e8a379eb3199d93bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321a57dd129e992d7834e91961987bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843ea7c9335689a5867f7dbb79c12238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3054ede62d7fcadafde4058331a1d9b4.png)
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解题方法
7 . 已知集合
,
,且
.
(1)用反证法证明
;
(2)若
,求实数
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedbd009c1cbfafd6927407f1a8b10bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26001c8250c66e39a5187cea9b21a3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0d79fd0efdb59c9ca65bfae4a0861.png)
(1)用反证法证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d5277bc12920774fc7ba12a1fcb6c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b56a8a4418adbd2029e8843d42b418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 已知集合
,
.
(1)求集合A与B;
(2)若
,求实数
的取值范围;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe39d94ef2d9d08658b5e3e253cd18fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4b9540ddfb0cb778f10b7e4ac93e4c.png)
(1)求集合A与B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 已知集合
,
,且
,那么实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8288bdee4586dae3dcdfd54d97ed72bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2461cfe9c2bff84514b23456b021b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998c84cf8274cb98ec169a8b2f9f1812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 已知
,那么实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf8cf12ee8853457f576741de0a9138.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2021-10-04更新
|
1293次组卷
|
3卷引用:上海市嘉定区中光高级中学2020-2021学年高一上学期10月月考数学试题
上海市嘉定区中光高级中学2020-2021学年高一上学期10月月考数学试题(已下线)2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题11-15湖南省2024届高三数学新改革适应性训练二(九省联考题型)