![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e190486c7f17bb900ab72e4531da28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0079174791a14a6fb4ca21fbc3d1cced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
更新时间:2023-05-11 16:14:05
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【推荐2】数轴上一动点A向左移动2个单位长度到达点B,再向右移动5个单位长度到达点C.若点C表示的数为1,则与点A表示的数互为相反数的数是__________ .
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【推荐2】计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3a1487375639e66e78b32f97cd4f39.png)
__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ce99f2fe40cf795438209f17e4ded1.png)
___________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7871dee93fd291911692113ec46708f7.png)
________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3a1487375639e66e78b32f97cd4f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ce99f2fe40cf795438209f17e4ded1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7871dee93fd291911692113ec46708f7.png)
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【推荐2】
的相反数是________ ;2-π的相反数是________ ;
的相反数是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fe1e989d7fe8a9eb35cb5cf0f9cdaf.png)
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