解题方法
1 . 下列说法中不正确的是______ (只需填写序号)
①设集合
,则
;
②若集合
,
,则
;
③在集合A到
的映射中,对于集合
中的任何一个元素
,在集合A中都有唯一的一个元素
与之对应;
④函数
的单调减区间是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
⑤设集合
,
,若
,则
①设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cec1a82f40122b306b15aa29da2f8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a88caacdbf71fca44d1ca412c68fa66.png)
②若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5361ed288fa23f3b5d16cbc09d3293d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f808f81b6ea9da53d51c549be04f4267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
③在集合A到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
⑤设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a569ad6f0b7c49d11d7e167bb0527ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa7b8acbc8b0027cbe9e3986ad1d859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
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名校
2 . 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
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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