题型:单选题
难度:0.65
引用次数:517
题号:7465883
若 |
| =-
,则
一定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.非正数 | B.正数 | C.非负数 | D.负数 |
更新时间:2019-01-14 22:19:57
|
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|
适中
(0.65)
【推荐2】直线
(m,n为常数)的图象如图,化简︱
︱-
得( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/6ea4ee12-4e7d-42e3-8cf3-af9429f68e00.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/863b5b07e24da03f3a4f019d55cf45a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c58ad2943ac43e6a8a0193eaf9fd8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ffe5916bba71c54e3f5a274e62bace.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/6ea4ee12-4e7d-42e3-8cf3-af9429f68e00.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
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