有理数a、b、c的位置如图所示,化简式子:
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218d8c7670082f4087c99ff8766a1f73.png)
![](https://img.xkw.com/dksih/QBM/2022/10/13/3087063708418048/3132970621091840/STEM/feaba527cbd84a17ab28519288617357.png?resizew=194)
更新时间:2022-12-17 19:47:57
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【推荐2】实数a, b在数轴上对应的点如图所示;
![](https://img.xkw.com/dksih/QBM/2019/9/24/2297743385739264/2302452814716928/STEM/16b073f7789d4b6492947c325e9ac8f1.png?resizew=177)
(1)如图:比较大小:a________ b,a—b________ 0,a + b_______ 0;
(2)如图:化简(去绝对值号)|b|=_______ ,|a+1| =__________ .
![](https://img.xkw.com/dksih/QBM/2019/9/24/2297743385739264/2302452814716928/STEM/16b073f7789d4b6492947c325e9ac8f1.png?resizew=177)
(1)如图:比较大小:a
(2)如图:化简(去绝对值号)|b|=
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【推荐1】已知有理数a,b,c在数轴上的对应点的位置如图所示.
![](https://img.xkw.com/dksih/QBM/2023/1/6/3147058938994688/3148348542803968/STEM/447a04fe5dc442aba726c2431cc93449.png?resizew=227)
给出下列结论:①
;②
;③
;④
;⑤
.其中,正确的是__________ .(填序号)
![](https://img.xkw.com/dksih/QBM/2023/1/6/3147058938994688/3148348542803968/STEM/447a04fe5dc442aba726c2431cc93449.png?resizew=227)
给出下列结论:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186ae2807bce952e49348352e8c29ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b436c9f8a390874b18393a6d263533d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99668a8d444fd1db71858b5afc77c369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ba7936f46f604f080f8f42205a1344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc62e6787f95a662ebd9d472f30211ae.png)
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【推荐2】已知有理数
,
,
在数轴上的对应点如图所示,且
,
互为相反数,化简:
的结果为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f902084dcf63f72bc4d4e4ac98eb8d4.png)
![](https://img.xkw.com/dksih/QBM/2022/12/16/3132249458909184/3170498534129664/STEM/f3ecf8ce14ad47f8a120db3bcee73f88.png?resizew=268)
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