1 .
的倒数是______ ;
的相反数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459c84c9addfbd1cdd0a877ba7c584e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459c84c9addfbd1cdd0a877ba7c584e4.png)
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2 . 设a为最小的正整数,b是最大的负整数,c是绝对值最小的数,d是倒数等于自身的有理数,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f94833ac94cda2abb0a787d1f42b584.png)
A.1 | B.3 | C.1或3 | D.2或![]() |
您最近一年使用:0次
2023-11-07更新
|
61次组卷
|
2卷引用:江苏省苏州市工业园区西安交大附中2023-2024学年七年级上学期 数学第一次月考试题
3 . 已知
,
互为相反数,
,
互为倒数,
的绝对值等于2,求
的值.
![](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/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15000a463e5cf3b7f4fff36a56de262.png)
您最近一年使用:0次
4 . 已知
、
互为相反数且
,
、
互为倒数,
. 求
的值.
![](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/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc3a73eea58b9b5568875769833fd6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1fb375378a370644fb7ce7f43dd361.png)
您最近一年使用:0次
5 . 已知
、
互为相反数,
、
互为倒数,
是最大的负整数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e451a50e2fefaecc5c35a834c1438ed9.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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e451a50e2fefaecc5c35a834c1438ed9.png)
您最近一年使用:0次
6 . 现有以下五个结论:①绝对值等于其本身的数是正数;②数轴上的每一个点都表示一个有理数;③若两个有理数的和为负数,则这两个有理数中至少有一个是负数;④一个数的相反数一定不小于这个数;⑤倒数等于它本身的数有0和
.其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65308f43f6b0d670e2ec680f820ec799.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
2023-11-04更新
|
29次组卷
|
2卷引用:江苏省南京市玄武区四校2023-2024学年七年级上学期10月月考数学试题
7 . 列式计算求值:
(1)求
的相反数与
的倒数的差;
(2)已知
、
互为相反数,
、
互为倒数,
的绝对值为3,求
的值.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eab83eb2330c9b92023eb68c1756db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a91855ea55daea4925c5fc0def71922.png)
(2)已知
![](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/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0616a7b704278dae0e1d7a3734f73959.png)
您最近一年使用:0次
2023-11-04更新
|
27次组卷
|
2卷引用:江苏省泰州市泰州中学附属初级中学2023-2024学年七年级上学期10月月考数学试题
8 . 已知
互为相反数,
互为倒数,
的绝对值为2,求:
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663a61ad241d5d874c9a9362f0ee917c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2486ab32c52f7d7afc557af8bacf9527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8c865f05465b6195cd31c483824f3d.png)
您最近一年使用:0次
9 . 若
互为相反数,
互为倒数,
的绝对值为4,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67562cdae75ea0530dfa670d05eaba0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68b18c3432d47f99b0610aaaa1030d9.png)
您最近一年使用:0次
10 . 已知a、b互为相反数且
,c、d互为倒数,m的绝对值为2.
(1)直接写出:
________,
________,
________,
________;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)直接写出:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f56c7629163c5fe76b2c5990d7ac1f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777c464225c58c17fecd0b98ec65e44b.png)
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