设集合
,集合
,
(1)求集合
,集合
;
(2)求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d218dcd974bc4c5400ed412344025e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fdae49227cd52a75a34678f3c6cc16.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
更新时间:2023-01-19 00:00:19
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【推荐2】若全集
,集合
,集合
.
求:(1)
,
;
(2)
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16788422bd49012a15e51a0d2ec91488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17cebe268b01e58f761eb37a308433ae.png)
求:(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e5450f24464d07f1a767714fa639cc.png)
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解题方法
【推荐1】已知
,集合
,
.求
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84f0db6d49f3969bc9bdee22892822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b47281cf7a454db9855e616f0e985447.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1e9e989d6d47a270095d9072290097.png)
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解题方法
【推荐2】已知集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d494435ba5e0e12a113033fed320d67.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a587610de8c0fcdb799c93a5188e5e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】设集合
,
.
(1)求集合
;
(2)若不等式
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,求实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce5636e480e37e60408f80ce956f0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08fe8284326bf5921beb144049a4e2f7.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799bfad4a7601be16efcec5e6d6c1efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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【推荐2】设命题
实数x满足
,其中
,命题
实数x满足
.
(1)若
,且p和q都是真命题,求实数x的取值范围;
(2)若q是p的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dc823077f5a0767f65ee2187834039.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fedf3e1847bed8d2ea1a81a8eb07a8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)若q是p的充分不必要条件,求实数a的取值范围.
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【推荐1】不等式
的解集为集合
,不等式
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.
(1)求集合
;
(2)设条件
,条件
,若
是
成立的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dfe6b57fbf2037c56bcae83ca9b378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067e4a0b69d08c78c2617e560911b3e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7ab45636a934ba2d6ff7bf4be60653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343f8257607ab822e8cb506010518eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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【推荐2】设命题
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的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65feae8d19c844ff7e8882d6e079c50a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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