已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a221bea358eb619302a6912d75847d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0138bfb7407fc0af212dc439d705cfb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2023·甘肃武威·模拟预测 查看更多[2]
更新时间:2023-11-07 18:24:01
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单选题
|
较易
(0.85)
解题方法
【推荐1】已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a0ce2e5527de9d78fd3ee4089b6cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a55b5effb3e3849df32195f8ed8417d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f867d8ce4ff554ef9f4bd806ca1977b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f9ea9e6eca2527ee93a8bb17b6637d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐1】若关于
的不等式
的解集中恰有
个正整数,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36745d89015e14563ac348299271c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】已知集合A={4,a},B={x∈Z|x2-5x+4≥0},若A∩(
)≠∅,则实数a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ad7b3356d012a95e5d106111adc312.png)
A.2 | B.3 | C.2或4 | D.2或3 |
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