设全集为
,集合
或
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30df4aa13ed9e341b4470b1a83091cc.png)
(1)求
;
(2)已知
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74c774c2562ff6cfc6bd256bf39870b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92741e38f38a9f2cbdd2db85b249581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30df4aa13ed9e341b4470b1a83091cc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187831ac05fe81eee985671e173a732a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1dd6b0b695276e85d5db8ea4d8274c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e968937d457d9e2237b401077ff224a.png)
更新时间:2020-03-12 19:23:10
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解答题-问答题
|
容易
(0.94)
【推荐1】已知函数
的定义域为集合
,集合
,
,
(1)求集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9910b15d867b68079b030ff0e318e17c.png)
(2)若
,求
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24086c201d3e9a144003dd791149f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c46c88be633fd0096d1d1c0ebf7753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4caecf99bffed437076b5e780badde3f.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9910b15d867b68079b030ff0e318e17c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bed4f3b7d72db3b022165360678e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
名校
【推荐2】已知全集
,集合
,集合
.
(1)求
及
;
(2)若集合
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4d03170608400c6406aa910fb4855d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b780aa348f970809bb8bbcbf8a8e38.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dd9f714d61a985b52583cb8403054c.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/214f2560b1a8534992e7c5c2b076f625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
名校
【推荐1】已知集合
或
,
,
.
(1)求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b72980f69762488ddb5864dfc33f398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fc5de8ae8f500bac59a915f84b6dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4e89fc3b9d023c44f7376f7885cfc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7353981c4ffd5b1bff0964f5d823173.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda922978abb112ea099f28ff9ec1170.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a693dd9988a6e003a239f3e37c1b3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐2】设函数
的定义域为
,集合
,记
.
(1)若
,求
;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4567f7764e1b5428ac7535f568f54226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e002d73750547adb99527f2ae709efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1172c80b0d9bcb52d4071f27171819ad.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361048fd1b1a7f3b7230404a04b7155a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次