指出下列各组集合之间的关系:
(1)
,
;
(2)
,
;
(3)
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9eaf909da2ee7504f9708c6e38c6643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b2d860a12233810a451c2f8bd131ed.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae90905d81e8d4970de5e838fc4e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a781246cae57732b1cb44ef284b29b6a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2597434af869e21e884d7284ad3dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0c8123d074e7b361c92f410afb262f.png)
22-23高一·全国·课堂例题 查看更多[2]
更新时间:2023-08-17 22:29:12
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相似题推荐
解答题-问答题
|
容易
(0.94)
【推荐1】判断下列命题的真假,并说明理由.
(1)x、
,如果
,那么
;
(2)如果四边形是矩形,那么对角线相等且互相平分;
(3)A、B是两个集合,如果
,那么
或
.
(1)x、
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f370a1d4dd341e5ab1774a66c66c1204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d168aaaa03c5eeff1b2ebdd688346af6.png)
(2)如果四边形是矩形,那么对角线相等且互相平分;
(3)A、B是两个集合,如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdf0492b29dae4fd12e6f1212cf9bbc.png)
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解答题-问答题
|
容易
(0.94)
【推荐2】已知
,
.分别列出这两个集合中最小的3个元素,并说明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58a626aafef872117b375d12ac91341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5584bfe5a2eac8ed77adf2e2eda827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐2】判断下列集合
、
是否表示同一集合,若不是,请说明理由.
(1)
,
;
(2)
,
;
(3)
,
;
(4)
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9f02851ab4331ccb1e57f44ef91702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daebaabde3887004251dbe7ca38f862f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138f6f335926f0af135632e559a00a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564ebcbb404daba33ba31bb984379da1.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d5c97f1bbb91592bc9bf980432d6f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04fdda8d4e53b300f818ae26c70e0858.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0930f5117ec578dd7a33f7d6b69316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f2e2af9084c3c649ce1ff5a08aff65.png)
您最近一年使用:0次