名校
1 . 已知集合
,
.设集合A同时满足下列三个条件:
①
;②若
,则
;③若
,则
.
(1)当
时,一个满足条件的集合A是__________ ;(写出一个即可)
(2)当
时,满足条件的集合A的个数为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7101a3eee1a6054a94a13c1285713bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45020afb5156159ad42add5537797ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827e0933211772799f65eccd2fbce592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde2827722685b8a71f9aae2dc4d7484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc1108d22143e834bd69eeb9fd8775a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe08722cf9300fe188dbbb71989c06c9.png)
您最近一年使用:0次
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)
您最近一年使用:0次
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