已知a,b为有理数,下列结论:①
﹔②互为相反数的两个数的平方相等;③若
,则
;④若
,则
;⑤若a大于b,则a的倒数小于b的倒数.其中正确的是______ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3357669050a24dd2a2328fc83a21f1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5821f59d12217af9a3804379c8231f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e388e708affabbfb7746583295df120f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed37ee7432002cd0e0978b2012e184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6245c0d40dd8c556de8dd707f0b7d63d.png)
更新时间:2023-11-17 21:45:26
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【推荐2】若
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