1 . 含有3个实数的集合可表示为
,又可表示为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e999b561583b4e422de4415d6e5b110.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40918974b3dd39f686bf1d6962490664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac5ed38ebb5096affd6682970433ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e999b561583b4e422de4415d6e5b110.png)
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2024高一下·全国·专题练习
2 . 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________ .
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3 . 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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4 . 已知集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e58dfc00efaef7f7a8beffc3e6e3266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed961de27af72b7d11887ccfb6f15071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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5 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933347fd4d93628c8a9cb6a540560471.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273a61f0869406c75be25dab20ec0af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836147cc2b534de6b691c427643a0493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933347fd4d93628c8a9cb6a540560471.png)
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6 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89013d15ae3533ff21106a4022dbf2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05551b1d4b65f27a932c33ddb1cb6ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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真题
7 . 设全集
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2143cff1201a49034668264e48d1e17.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4f59a3fd052f229e79e5aefa517913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141bca64b2f409a93f2a7a9d5a32d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2143cff1201a49034668264e48d1e17.png)
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解题方法
8 . 已知集合
,集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f581d68e1efa09bfcb6d827eb8d428d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68446708a5fc91d73a90cb9d36f3782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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9 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2353e429a545427586a9c72d88678f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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10 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2b5cf52dc3b8c664fb6412d967d1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4be277ca349bdafc6844b8dc0ec146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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