1 . 已知S={x|x=2n+1,n∈Z}, T={x|x=4k±1,k∈Z},则集合S与T的关系______________ .
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2017-08-03更新
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2卷引用:山西省怀仁县第八中学2016-2017学年高二(实验班)下学期期末考试数学(文)试题
2 . 已知
,集合
,
.若
,则
的值是
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![](https://img.xkw.com/dksih/QBM/2015/11/10/1572285358546944/1572285364051968/STEM/d18663e50dff40c8ab2c060b414b58d0.png)
![](https://img.xkw.com/dksih/QBM/2015/11/10/1572285358546944/1572285364051968/STEM/06063ace0c24429d8222d10b4c5b823e.png)
![](https://img.xkw.com/dksih/QBM/2015/11/10/1572285358546944/1572285364051968/STEM/c9560906ca394542af3e0af7d05301dc.png)
![](https://img.xkw.com/dksih/QBM/2015/11/10/1572285358546944/1572285364051968/STEM/e5b6dfd14bbb4b1f9e7894ba3d0738db.png)
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