有理数a、b、c在数轴上的对应点如图所示:
![](https://img.xkw.com/dksih/QBM/2015/12/3/1573937583218688/1573937589477376/STEM/242e42e99e51458496c59856cc34e433.png)
化简代数式:
.
![](https://img.xkw.com/dksih/QBM/2015/12/3/1573937583218688/1573937589477376/STEM/242e42e99e51458496c59856cc34e433.png)
化简代数式:
![](https://img.xkw.com/dksih/QBM/2015/12/3/1573937583218688/1573937589477376/STEM/176adfd9d46948dd8a6055b0c315fd75.png)
更新时间:2016-12-06 03:27:08
|
相似题推荐
解答题-计算题
|
较易
(0.85)
【推荐1】计算:已知
且
,b是3的相反数,c是最大的负整数.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cbb247c6ed56338bb6750b9e23bf56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3c1f376c9cdd89c21e5948d6aa83eaa.png)
您最近一年使用:0次
解答题-计算题
|
较易
(0.85)
【推荐2】(1)在数轴上有理数
,
,
所对应的点位置如图,化简:
;
,
.化简:
![](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/2ba797299b43186b1a9b2da13b5f205d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618f490db349a4fd3cf22e26219048cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97dd67bbb46703642d17b24bf1aee6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce5455f2735260b156837803eaebe04a.png)
您最近一年使用:0次