名校
1 . 设集合A,B是R中两个子集,对于
,定义:
.①若
;则对任意
;②若对任意
,则
;③若对任意
,则A,B的关系为
.上述命题正确的序号是______ . (请填写所有正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5adcce23d156cdd18bb95fc5fb5439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff420c18e2749228f8014a7ea900744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f4c38f1272d07c58f9645d064e80ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ed5930525a04c8fa26e535147e3085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7baf26599546c024ce19471ad898d6b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8027071461ec144bcda549e5518d77e.png)
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2019-12-10更新
|
398次组卷
|
2卷引用:上海市上海师范大学附属中学2019-2020学年高一上学期期中数学试题
2 . 设集合
、
,则“
”是“
”的___________ 条件.(从“充分不必要”、 “必要不充分”、“充分且必要”、“既不充分也不必要”中择一填写)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2008fb4b47012de79dc1ede236d84aa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10e7da3c45fb4daa2029f16065a7673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0d79fd0efdb59c9ca65bfae4a0861.png)
您最近一年使用:0次
2016-12-03更新
|
278次组卷
|
2卷引用:2015届江苏省南通中学高三12月月考理科数学试卷
解题方法
3 . 下列四个命题中正确的是____________ .(请填写出所有正确的序号)
①已知集合
,
,且
,则
;
②设
、
为两非空数集,定义集合
,若
,
,则
;
③若
,
,则
;
④设集合
,
,且满足
,则实数
的取值范围是
.
①已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265e81e52218232e16c78f57b3aa0de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23f5d7f08f61192a67115f41906ede2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb24eb64ef31a8be182d926a4a407cd8.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e09d2d842882b706814c0eb6e4aea21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39dbcd1aab70dcec63c5f05d42e15684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e38fff7537fe014afc21111f9d916d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13d8012d12777135136303fa6ef79f2d.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fb899e1f53848e9f6734667a23dc6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c032cbf7293dc32b6b8aef56c9ecb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
④设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db82c7e8ffaf10e27bd6f30b98a6179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6747cd74a2f551983ef35c18f5e0fff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c601507f4ad01d09fdd9470dc83555c6.png)
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