二次根式
有意义,则
的取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b03e214bb66c576e458ee857d346047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-02-07 09:16:18
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【知识点】 二次根式有意义的条件解读
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单选题
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容易
(0.94)
【推荐1】在式子
,
,
,
,
,
,
中,二次根式有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27baf2bc52384e74e49787c8bccf1b2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e21de42abe44c7faa0f21a270d20bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e2168113b175cc6ae642d376055fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0212732f733e20e61b4ece6d4ed18c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257f259d4cfbf7b477ccc7ff85ef44a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.2个 | B.3个 | C.4个 | D.5个 |
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