下列各数中:
,0,
,
,
,
,
,
中,非负数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b229e1bdee9044d0503cfbcd216dd7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e86b3eef3e231002a94f6ef8f02dad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8e91ff70d45ba6c3be9b2fbe5b9eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3528d985a77044680e3fb9bd49c8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f726b4e846c26ba257c6fec13ff40f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f76a3421942b7bc5a2f6db98a52cf45.png)
A.2个 | B.3个 | C.4个 | D.5个 |
更新时间:2017-12-03 15:26:32
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【推荐1】下列各数中,是分数的有( )
+8,0.2751, -1.04,
.
+8,0.2751, -1.04,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a94214fc287ab5f95575433efc5f0e.png)
A.5个 | B.6个 | C.7个 | D.8个 |
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(0.94)
【推荐2】下列正整数中,属于素数的是( )
A.2 | B.4 | C.6 | D.8 |
您最近一年使用:0次