名校
1 . 在下列表达式中,①
;②
;③
;④
,其中正确的为______ (填写所有正确的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ed28220bfef1cc6be1c80cf67cafc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db97caf458b61778c210e2c0b6bd2843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac910df3ec99f821a64e503c37c4adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c13ed7e0703f62f76d489c332df19e.png)
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名校
2 . 集合
,集合
,下列
,
间的关系:①A为B的真子集;②B为A的真子集;③
,其中正确的是___________ .(填写相应序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c3ea9ce901a68a64a6c0e8662e718b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0ca4023be6da8f1574b3b1ee8bffe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
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2020-10-23更新
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477次组卷
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4卷引用:河南省周口市周口恒大中学2023-2024学年高一上学期9月月考数学试题