下列各数是正数的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-01-19 15:03:13
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【推荐1】下列说法:①若
,则a、b互为相反数;②若a、b互为倒数,则
;③若
,则
;④若
,则
.其中正确的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9cdea1e995c59e5d3225acad8b4d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca27cc54ca0332245f5167488daa3408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e3ab57dac25b6c513c950e7b9bb356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9679246de74b18e44a992eb73c8b42cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】下列说法正确的是( )
A.一个数的绝对值一定是正数 |
B.数![]() ![]() |
C.如果两个数的绝对值相等,那么这两个数相等 |
D.绝对值最小的有理数是![]() |
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【推荐1】若a是小于1的正数,则将a,
,
,|
|用“>”连接起来,正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5060ad37c403f248c937c1d59af5c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac2a2dbdec1e7130ee3726004108b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac2a2dbdec1e7130ee3726004108b39.png)
A.![]() | B.![]() |
C.a>|![]() ![]() | D.![]() |
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【推荐2】下列各数中,数值相等的有( )
①
和
;②
与
;③
与
;④
与
;⑤
与
;⑥
与
;⑦
与
;⑧
与![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1165442e4b56579b4e5597ca1fb1b9f3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3f00a02e931a265f86950296602f0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6648bc986a558fa32e752d28d3a68431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8690e1dca2f6e7ac4addf2879328f983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579271a2140f3d248e12be082feae211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6648bc986a558fa32e752d28d3a68431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579271a2140f3d248e12be082feae211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3528d985a77044680e3fb9bd49c8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda3fa0c6d265e30bf94e32370935bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead4951a963f4074512ab092d395d583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e089c43cf0bfd06bd84d19fb10f5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df22c6349cd2ea7d8bf2d7efc85bcb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482b71ca0f34940dc775e6666e010c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a279d2486e6de587f3fb31d4e75acc3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b53e367699ee0a03906e6788321bd62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1165442e4b56579b4e5597ca1fb1b9f3.png)
A.1组 | B.2组 | C.3组 | D.4组 |
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