名校
解题方法
1 . 已知集合
,若
,则符合题意的一个集合C为______ (写出符合题意的一个集合即可,不必写出所有集合);集合
,
,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb174d27e68b593740d866a33a43ecd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02982c0f35420577c5d4cbd7a0e9f6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d973f235340b2d8f3c1e5ac622d016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a7c6e6ef5e8db9a290278a9d951d7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e680f87850128c8d390bfad6694797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
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名校
解题方法
2 . 若集合
满足
,则集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
______ .(写出一个集合
即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d610d9b67a46d8197267506cdff61528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2022-11-08更新
|
229次组卷
|
2卷引用:北京市第五十中学2022-2023学年高一上学期期中考试数学试题
解题方法
3 . 已知集合
恰有两个非空真子集,则m的值可以是______ .(说明:写出满足条件的一个实数m的值)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa3e043e39e457339c4c60bf8d9eb6c.png)
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4 . 已知集合
满足条件:若
,
,则
.
(1)若
,则集合
中是否还有其它元素?若没有,说明理由;若有,求出集合
中的所有元素;
(2)集合
是否有可能是只有一个真子集的集合?如果可能,求出集合
;如果不能,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dbf4c218f86b57e8f9a98b5459c8e14.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed961de27af72b7d11887ccfb6f15071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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