已知
:
,
.
(1)设
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
,求满足条件的最小整数
;
(2)若
是“
”的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00d11e06f8dff6190c6b759d697d757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a13aae873fa43656e7fc5c587d9d9d.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba5d966bad4357e1b5e45ab2297caea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4eed3415f9a0607cc2a9dc52960f76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
更新时间:2021-10-10 18:49:53
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解答题-问答题
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适中
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,
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(Ⅰ)求a的值,并写出集合A的所有子集;
(Ⅱ)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16ee4992656e9ee2996c7ffaa22500b.png)
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解答题-证明题
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适中
(0.65)
【推荐2】已知集合
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(3)证明:若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf7926d4460da0d09ebab079fdc13e1.png)
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(1)判断
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(2)设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ca653cad7e7730a8e03b55d0cd1a85.png)
(3)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
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【推荐1】已知全集
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(2)若“
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【推荐2】已知函数
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(1)若
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(2)若
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【推荐1】已知不等式
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1450c9ea083c8a43c9519ae897c7bece.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671b087abb1d2692c8be5b16846c4690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6569b70166432a775ecc8cffa6478ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a3a95a978c23259caf993285d987b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc4c15b1d62420f42732db3b626ce3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
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适中
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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