化简:①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292ca183b773ec1ddb6e8e33d6b30f39.png)
______ ,②
的相反数是 ________ .③比较大小
____
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292ca183b773ec1ddb6e8e33d6b30f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf7e6d70e535ceea32bf4a7c81df21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529709040fa0a98ce729428f6cec8db8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459c84c9addfbd1cdd0a877ba7c584e4.png)
23-24七年级上·广东深圳·期中 查看更多[2]
更新时间:2023-11-20 10:17:59
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【推荐1】已知
,
互为倒数,
,
互为相反数,
是绝对值最小的负整数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5159e4e5ca7a601e2fc614eacb9cf3.png)
______ .
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【推荐2】
的相反数是________ ,
的倒数是________ ,
的平方根是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7b4a6f6c7c676d569dfd0658b2b6e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbc9a84f16a94b0ca5db78cba26b356.png)
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【推荐1】写出一个绝对值小于3的有理数_________ .(写出一个即可)
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【推荐2】已知a是有理数,
表示不超过a的最大整数,如
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等,那么,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3a85d721f9729c6a9534d0fd807119.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0306c8a9b082d56b04c967093ddf256a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3a85d721f9729c6a9534d0fd807119.png)
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