下面几组数中,互为相反数的是 ( ).
A.-7和-(-7) | B.-5和-(+5) | C.-3和+(-3) | D.+2和︱-2︱ |
更新时间:2020-11-06 21:34:07
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【推荐1】在下列各组数中,互为相反数的是( )
A.2与![]() | B.-2与![]() |
C.![]() ![]() | D.2与![]() |
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【推荐2】下列说法中正确的是( )
A.正数和负数互为相反数 |
B.任何一个数的相反数都与它本身不相同 |
C.任何一个数都有它的相反数 |
D.数轴上原点两旁的两个点表示的数互为相反数 |
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【推荐1】若a,b互为相反数,c,d互为倒数,m的绝对值为2,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda4f2db97344274c3b6ada39826cc46.png)
A.1 | B.1或![]() | C.![]() | D.![]() |
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【推荐2】若
,
是9的算术平方根,且
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca9e35d61b790bc41b61d9706aa583c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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A.8 | B.![]() | C.4 | D.![]() |
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【推荐1】
,
,
,
,
,
,负整数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f754099e6dae71d2d33bb7b8d1e281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3528d985a77044680e3fb9bd49c8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedba6d1498e7c928e07e79dcb218f8d.png)
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A.5个 | B.4个 | C.3个 | D.2个 |
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【推荐2】下列各对数中互为相反数的是 ( )
①
与
;②
与
;③
与
;④
与
;⑤
与
;⑥
与
;
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e393cbdb88845fa1aafca2a8bf19fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621035465e7be580252dcf686aa8784a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7639b9e6a9aa2909683028281fd9c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17ca1e04c68f59bddc675411a0ea2fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e871c7916f1c8c2faec83d202d30b7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75431b62c258aa7392ddd96352d5110.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f1c802a866cb5756c1b1a625c5af60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f456895f6a25c183116816ce219bfd.png)
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A.①②③⑤ | B.①②③④ | C.②③④⑤ | D.②③④⑤⑥ |
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