1 . 设集合
,则下列关系正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab74efe336f1fba4ce06f42a47af0339.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-02-24更新
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265次组卷
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2卷引用:广西南宁市2020-2021学年高一(上)期中数学模拟试题
2 . 下列各式中,正确的个数是
①
;②
;③
;④
; ⑤![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9d94d3893a34e30a2150066b23ff25.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c4338fd4c8be4a05ddc05650284976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f583e3c1cfb1ea89a16a3e8f13bba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0c5a6e253e6e764276147ac04539c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c25156740ae538139ec48688746f57b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9d94d3893a34e30a2150066b23ff25.png)
A.5 | B.4 | C.3 | D.2 |
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