已知集合
,
.
(1)已知
,求集合
;
(2)已知
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07fe05a3a567e3ff7e4ffa81338b7d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5efa31664397bff86362db847f2da6.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
22-23高一上·浙江台州·期中 查看更多[3]
更新时间:2023-08-27 10:27:45
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相似题推荐
解答题-问答题
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【推荐1】已知全集
,集合
或
,
.
(1)当
时,求
与
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a9d9324c6231c045e162cbeb6e6f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28cdbf4bef583116fc1cf3ce0ee09f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da5f59a532b1c9ac2d8f581e9450707.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ae3bb39a224d9d8149f7a259ab4765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐2】已知
,写出一个满足条件的集合
,补充在下列问题中的横线上,并求出问题的解.
问题:已知
,且
,
是小于
的正偶数}___________.求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446f653af671bafe76711759295bd6e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b6abc4c1d0c2c5b56573ea2d37834d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
问题:已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa235ad2e3bba941cab00ab3954607e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee70683451816fbc7e9298e384a99a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed769bf068e95791bffdd1fa9961a273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d180c600efe0e9df9fab937492eb817.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知集合
,
.
(1)当
时,求
,
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa1d866d6fc99d7fb33538eae8654e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06617bae74bfdddec9b0d1300e2318b8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
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【推荐2】设二次方程x2+ax+b=0和x2+cx+15=0的解集分别是A和B,又A∪B={3,5},A∩B={3},求a,b,c的值.
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【推荐1】(1)解不等式
;
(2)解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/897fef153ada29fc62c006d95806b75e.png)
(3)已知
,求
最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d141f34f18f4802d04ef2e4e5e803aba.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/897fef153ada29fc62c006d95806b75e.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/688fc294e74f86d9a7663c23efaad23a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87844e23826674ad60b2f5ab45a78b1e.png)
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