名校
1 . 已知集合
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f20286438324375659c671c26fa1cfdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924972ab1392e09a7ba76c8c6d5f3125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
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2 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/431212aa7d769932f012f3bb33ca2316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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2024高三下·全国·专题练习
解题方法
3 . 已知集合
,
,若“
”是“
”的必要不充分条件,则实数
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a6c2f43fde3f76e6b61117487f1d0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8afc938c9f8c57f94094d307b5386853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
4 . 已知集合
,则
的取值集合为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6856b5c4f69110619b4c00aada6108a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024高一下·全国·专题练习
5 . 市场调查公司为了了解某小区居民在订阅报纸方面的取向,抽样调查了500户居民,订阅的结果显示:订阅晨报的有334户,订阅晚报的有297户,其中两种报纸都订阅的有150户.则两种报纸都不订阅的概率为________ .
您最近一年使用:0次
名校
6 . 已知集合
,若“
”是“
”的充要条件,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc0982d002a381b91be1f775a40d5ae.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8723077870d8ad10b44c2bb53e2b4124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc0982d002a381b91be1f775a40d5ae.png)
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7 . 考虑
的非空子集
,满足
中的元素个数等于
中的最小元素,例如,
就满足此条件. 则这样的子集
共有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477aaa8eb4961a77a717ee664fd021ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765272efc14488ec658fc3302c5e6cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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8 . 数列
,
,则命题“
,
,
”的否定是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca1d86c9f078347773f700fee49d1d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80a0ca1b97736db73fc132b6b56b8218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83986d667f7618313804888470393a67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10fedbb6668ee8064fdde64c186a12d.png)
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名校
解题方法
9 . 已知集合
,
,任取
,则
为偶函数的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fec0517a959cc0e672d9f8608f41e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b897f7391c3892214c271f79734c25a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0940c99f26a7f7dee1d67624cd75cab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d7af0e3a995decd0f500d2232247b2.png)
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名校
10 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a3d44c61aba49b2adfc31ec2655775a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcb16be70f3e091a71d9f0f21724c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
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