如果a、b互为相反数,c、d互为负倒数,n为最大的负整数,m是绝对值最小的有理数,则代数式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1dfe5351b222861e6601885de12506.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1dfe5351b222861e6601885de12506.png)
更新时间:2023-12-14 15:09:42
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【推荐1】如图所示是一个正方体纸盒的展开图,若在其中三个正方形的
内分别填入适当的数,使得它们折成正方体后
与其相对面上的数互为相反数,
与其相对面上的数互为倒数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.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/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://img.xkw.com/dksih/QBM/2020/3/26/2428078099775488/2428827608817664/STEM/bb6e254e9b454f8181c6c872140a078f.png?resizew=113)
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【推荐2】a、b互为相反数,c、d互为倒数,数轴上表示m的点到原点的距离为6,则
的值为____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7d1b76232d89589f400f374f0042fa.png)
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【推荐1】下列说法:
①若
,则
;
②若
是关于
的一元一次方程,则
;
③若有理数a,b,c满足
,则
;
④若我们用
表示a,b两数中较小的一个数,则
.
其中正确的是_________ (填序号).
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf43051a852e223a120644395ea824a.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5601c4ae8bed15fb93fb5d71dec677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05bd7d9bb486e2b3660af90dff8d609.png)
③若有理数a,b,c满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9961032f0b2dccae336d8ee71a7a6a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1242cbea57a139e840082310655a19.png)
④若我们用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070add1e473e4b0a98dacae81e452b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6c6efad07684ea47095bdbf4d40cfe.png)
其中正确的是
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名校
【推荐2】以下说法中:①若
,则
;②若
,则
与
互为相反数;③
,则
;④若
,则
.其中正确的有_____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f10156424efded1a4318c5b3c530d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac9eb4f13a6ec140f7050e8d7dde52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9cdea1e995c59e5d3225acad8b4d3c.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/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b7345527910e03453d8657b2efbb02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d903954372b6e7319d9bf418fc17743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d60a700a5a306f650c0bb85c07d0fb.png)
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【推荐2】有理数a,b在数轴上对应位置如图,代数式
值是________ -.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8a39d626dbca133bd5e860a81aee28.png)
![](https://img.xkw.com/dksih/QBM/2017/4/26/1674135417225216/1740124518367232/STEM/3be19f499cd142ed8ec2b88d5667952e.png?resizew=128)
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