小明的作业本上有以下四题:
①
;②
;③
;④
.
其中做错的题是( )
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377a6bbfe270e8f0e5624e2281dfbdbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defe62a5c43431800afd1484c2833c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b5dfa70d6655859823fe78f5e2b6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830db2e9184ac9aa8e26c2aaaacae61c.png)
其中做错的题是( )
A.① | B.② | C.③ | D.④ |
更新时间:2019-02-10 16:51:25
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