如果表示a、b的实数的点在数轴上的位置如图所示,那么化简
的结果是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1374616e03160a2441cdcebcbab2a040.png)
![](https://img.xkw.com/dksih/QBM/2023/3/31/3206591758925824/3209331947470848/STEM/128c2309fad147e195fe3606c59800f8.png?resizew=210)
更新时间:2023-04-06 15:10:33
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【推荐1】有理数
在数轴上对应点的位置如图所示,化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076924785af22256170d0618fb90bb92.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b21366c9c93c36b0bdd1b6df534a278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076924785af22256170d0618fb90bb92.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/07ee0a25-4fe5-461d-9874-f25f99ea5b22.png?resizew=203)
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【推荐2】有理数a,b在数轴上的对应点如图所示,试化简:﹣(a+b)﹣|a|+|a+b|+|a﹣b|=______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/2fd14fe2-9747-4c31-96c5-6d85594a95c1.png?resizew=226)
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【推荐1】如图,长方形
中,
在数轴上,以点
为圆心,
的长为半径作弧交数轴的正半轴于
,则点
所表示的数为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0c2793a8adbc79c69fc545f9df84cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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【推荐2】如图,若A是实数a在数轴上对应的点,则a,-a,1的大小关系是_______________ .
![](https://img.xkw.com/dksih/QBM/2011/10/14/1573262243381248/1573262297833472/STEM/04a09cf9ccfc4109bed23141b2572ea5.png?resizew=191)
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【推荐1】有这样一类题目:将
化简,若你能找到两个数
和
,
使
且
,则
可变为
,即变成
,从而使得
化简.例如:
,
.请你仿照上例,化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28d2658c1f582b72b84b7bde867f10d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7fde30f76767d6dba21dd4c8430e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e30fe2547f71f7505e99a0dd7188e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/562c62e0442121011d12f10234b95119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5803c5b1941458a6c7957d89b56a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd9de87c455f49cfb1cd633f61a21b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58cf9ababdff83b367721a8d2a4b393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7fde30f76767d6dba21dd4c8430e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505b0467c1bb95bb81b18579331007af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2413edf61af5e64a809281d6e76a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28d2658c1f582b72b84b7bde867f10d.png)
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