已知集合
,
则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a357c738df608e65f679481aae6ca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33db1b2e627ad71cad25c44525c64853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.1 或 3 | B.3 或 5 | C.1 或 5 | D.1 或 3 或5 |
更新时间:2017-02-26 14:37:13
|
【知识点】 根据交集结果求集合或参数解读
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】已知集合
满足:(ⅰ)
,
;
(ⅱ)
,若
且
,则
;
(ⅲ)
,若
且
,则
.
给出以下命题:
①若集合
中没有最大数,则集合
中有最小数;
②若集合
中没有最大数,则集合
中可能没有最小数;
③若集合
中有最大数,则集合
中没有最小数;
④若集合
中有最大数,则集合
中可能有最小数.
其中,所有正确结论的序号是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30d527a20f7f6936fb2f7fea278b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
(ⅱ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d580f4f639394d9e9f15d43bc5e2b8d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583c82640891ef39f167d954f599e17e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2ec8cfd00b4cc9d886e3671e08e734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3830ea6ea58c99a0fc1adadccac0fab2.png)
(ⅲ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73c13878a4f4af1f2a50625430a640a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48ec1ea508a77eb06a5d610c2de547c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1113e9b568fb9ca3286582368e257a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abb6c41aaf6eaa954b7dacc0260be8d.png)
给出以下命题:
①若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
②若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
③若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
④若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
其中,所有正确结论的序号是
A.①③ | B.②③ | C.③④ | D.①④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】【2018陕西省西工大附中六模】已知集合
,
,若
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5274c80d5e1e377eb1c8996af7e3fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed395fbf75690997aca98e32a977c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.3 | C.2或3 | D.2或4 |
您最近一年使用:0次