下列运算中,错误的是( )
①
;②
;③
;④
;⑤
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa44cefb2a4880d8d79fb399dc563d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6adb2821f320d983c2a36a32378b27ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b47155b517c10742630418f9ba98f0bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b19206bc2d1cd176da8438a8043592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d108f6b1b93345f3bc5e0a54eee2332d.png)
A.1个 | B.2个 | C.3个 | D.4个 |
23-24八年级上·山东青岛·阶段练习 查看更多[2]
山东省青岛市青岛第七中学2023-2024学年八年级上学期10月月考数学试题(已下线)专题02 实数(九大题型)-【好题汇编】备战2023-2024学年七年级数学下学期期末真题分类汇编(山东专用)
更新时间:2023-10-19 08:54:04
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A.![]() | B.1 | C.![]() | D.2 |
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A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次