1 .
的倒数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
A.2 | B.![]() | C.4 | D.![]() |
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2023-10-07更新
|
25次组卷
|
2卷引用:黑龙江省哈尔滨市星光中学2021-2022学年九年级下学期第一次月考数学试题
2 . 倒数是2的数是( ).
A.![]() | B.2 | C.![]() | D.![]() |
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3 . 若
与
互为倒数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e26ea0261f2b67983b07b8d0bb8bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30d314a642667fef559032264647366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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4 . 若a、b互为相反数,c、d互为倒数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe02829db094873564b443a52ac65b9.png)
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5 . 在数轴上A、B、C三点表示的数分别为a、b、c,a是绝对值最小的数,b的倒数是它本身,且b为负数,c的相反数是2,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca2589a1dec0d619b8fa06395078f77.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca2589a1dec0d619b8fa06395078f77.png)
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2023-09-19更新
|
33次组卷
|
2卷引用:黑龙江省哈尔滨新区第一学校2022-2023学年六年级下学期月考数学试题(五四制)
名校
6 . 如果
、
互为相反数,
、
互为倒数,
的绝对值为
,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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5e1cfaf2d996d9527836e54dbcb37e.png)
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2023-08-10更新
|
120次组卷
|
2卷引用:黑龙江省哈尔滨市南岗区第十七中学2022-2023学年六年级下学期月考数学 (五四制)试题
7 . 有下列说法:(1)2的平方根是
;(2)
与
是同类二次根式;(3)
与
互为倒数;(4)
的绝对值是
.其中错误的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbd36c41ccb3cb078b4517bcc913c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf15edb246f67f4a73cb5105c9438e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34e01955f8c8fe2f0041b35d8d602a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f190b17530d81d927c358ac84757a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5246364ca8d76ddd707a001fe98cbb5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47cfe4e08c06bde245e58aa22485044c.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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8 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc5af3cdb4995f61a782c6ca7e28740.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c5e82a839119c4b12283f6a3f607fe.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42aed8989e2782a646e45a75e64bf0f.png)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5574b070307fd86677d01d866eca23a3.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd06754807168909c6d53acb96ac231.png)
(6)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4ee39158e6703cfcd75de64689e957.png)
(7)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffac8d6096ec2ad7738bdcec9c26fb6.png)
(8)
;
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc5af3cdb4995f61a782c6ca7e28740.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c5e82a839119c4b12283f6a3f607fe.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42aed8989e2782a646e45a75e64bf0f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5574b070307fd86677d01d866eca23a3.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd06754807168909c6d53acb96ac231.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4ee39158e6703cfcd75de64689e957.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffac8d6096ec2ad7738bdcec9c26fb6.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febe8791dfe8d17fff7330277e13d03e.png)
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9 . 已知一个数的倒数的相反数为
,则这个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddeba4026929bcd470aaca1a56dfe3a1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-07-18更新
|
130次组卷
|
4卷引用:黑龙江省哈尔滨市南岗区松雷中学2021-2022学年六年级下学期月考数学(五四制)试题
10 . 一个比例中,两内项互为倒数,一个外项是3.5,另一个外项是______ .
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