解题方法
1 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee534b14ef300e58e16ddc815a1b18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1eee9c41149e3a2109451614abf830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知集合
,
,
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f713d1ab6e1e5167ffd4eadfb6d6ed2c.png)
(1)若
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbec41ecbf80fe57340f55022d5a1e15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88da7e318a3222330b0dabe612617cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab969771195fcca4c634b228933a203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f713d1ab6e1e5167ffd4eadfb6d6ed2c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3226acdcb97e0f41aa5cefabc8f95c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 设全集
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc36871fa6038f00e7271bf6ef925a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ca6950e26a91e3d93a87dd71d99095.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知全集
,集
,
.
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7fb36797571198d877c28edec3d177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fe576165b13409595187445a2d464f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e350088f6381527435410ceb47575097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
5 . 设集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dec1bda6c40be6073241dd87c4d204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821e55ebc9af7df5e62631c06c7c1191.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dce1bf433db9bbb4ec3d6c8f389a609c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5e1e33c1259195f7bb0198a3e6f65a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36113af7d0b0b4cf823babb95fb7536d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3bb1662bae129fcfd57dc93d3c5adf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 已知全集
,集合
,
.
(1)若
,求
,
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442be389c6471b36eff2652b75beb114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb67f3d9fd7cc3624d3ed175ab17885a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe96fed79430b1d08ca2fb9fcf09cc9d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4dcaae636a53f3d590e5c64ffeeee57.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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9 . 已知函数
的定义域为集合
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68926461f657c4821fb8fc193d6f951f.png)
的值域为
.
(1)当
时,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/66ceb3f9313a3eb416461d7915aa9168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68926461f657c4821fb8fc193d6f951f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b083d22b48257ef11c79fb6f70a993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
10 . 已知集合
,
.
(1)求
的真子集;
(2)若______,求实数
的取值集合.
从以下两个条件中任选一个补充在横线上,并进行解答.
①“
”是“
”的充分条件;②
.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e42454dda33180af88dc4a871df037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ddd946af88c373f6f351e1e6fd6e2b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若______,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
从以下两个条件中任选一个补充在横线上,并进行解答.
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次