有理数a,b在数轴上的对应点的位置如图所示,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/12/30/3142114239479808/3154817710022656/STEM/877dc60712cb4fa4a27106a2feb5eb1d.png?resizew=203)
![](https://img.xkw.com/dksih/QBM/2022/12/30/3142114239479808/3154817710022656/STEM/877dc60712cb4fa4a27106a2feb5eb1d.png?resizew=203)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-01-17 16:35:58
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【推荐1】如图所示,则下列判断正确的 ( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/e2a589c0-0cbd-4438-8e6b-546dbd29caf4.png?resizew=212)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/e2a589c0-0cbd-4438-8e6b-546dbd29caf4.png?resizew=212)
A.a+b>0 | B.ab>0 | C.![]() | D.a+b<0 |
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【推荐2】有理数a、b、c在数轴上的对应点的位置如图所示,则下面结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/b8b46ec0-a18d-4ef2-80d9-867270aa7dc9.png?resizew=331)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/b8b46ec0-a18d-4ef2-80d9-867270aa7dc9.png?resizew=331)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,某数轴的单位长度为
,如果点
,
表示的数的绝对值相等,那么点
表示的数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/ae3e0060-d5be-4244-910e-09c1906b345f.png?resizew=268)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8f58755aee89fb2cf72ba518dcee2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/ae3e0060-d5be-4244-910e-09c1906b345f.png?resizew=268)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如果|a|=﹣a,则下列a的取值不能使这个式子成立的是( )
A.0 | B.1 |
C.﹣2 | D.a取任何负数 |
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【推荐1】有理数a,b,c在数轴上对应的点的位置如图所示,给出下面三个判断:①
;②
;③
.其中正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/63104b65-ec1f-46b4-8c12-8444713393a9.png?resizew=231)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bccb0ba99f869615f32e4320ee7810d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e1bb91d6d33aadeaead09c802545d52.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/63104b65-ec1f-46b4-8c12-8444713393a9.png?resizew=231)
A.0个 | B.1个 | C.2个 | D.3个 |
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【推荐1】有理数a,b,c在数轴上的位置如图,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d094937c804cf34317bbf409e73af4d2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/4215c294-88b0-4329-9838-4ceda9a1219c.png?resizew=213)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐2】数轴上的点
表示的数是
,当点
在数轴上向左平移了10个单位长度后得到点
,若点
和点
表示的数恰好互为相反数,则数
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.10 | B.-10 | C.-5 | D.5 |
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