解题方法
1 . 已知函数
和
,定义集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93a16382ef1c6e4b6eeea2909f358a7.png)
(1)设
,
,若
,求m的取值范围.
(2)设
,
,
,若
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde66f0ef8ea3ac6d6ac91a93ba69ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93a16382ef1c6e4b6eeea2909f358a7.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e204b1d7ee9fec55811da546bd2d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f220ef5339248b2971cecebb6a92294b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bac659eca0067a8f5217d0ce62c2c0.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6436413dff637d3ae243f82bd22c4f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bbf9858659de45bd26111af7babef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c6d4b11a69708e588e4bbac9f2b3f6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbf3b0349dc38eb54864384c6ef043e.png)
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解题方法
2 . 下列命题正确的是( )
A.若不等式![]() ![]() ![]() |
B.集合![]() ![]() ![]() ![]() ![]() ![]() |
C.已知集合![]() ![]() ![]() ![]() |
D.设集合![]() ![]() ![]() |
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2021高一·全国·专题练习
3 . 当两个集合有公共元素,且互不为对方的子集时,我们称这两个集合“相交”.对于集合
,
,若
与
“相交”,则
可能等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76fd91ed46f00688e111f2486a80d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66831d0839b515d2077946230e4e184.png)
![](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/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-08-21更新
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384次组卷
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4卷引用:辽宁省辽东南协作体2021-2022学年高一上学期第一次月考数学试题
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