实数a,b,c,d在数轴上的对应点的位置如图所示,若
,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/e92d8031-ad64-4ad6-87bc-a9c8bb674c84.png?resizew=234)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc4a31de600a0f5890397706141cb76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/e92d8031-ad64-4ad6-87bc-a9c8bb674c84.png?resizew=234)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-02-27 09:06:21
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【推荐1】若有理数a、b在数轴上对应的位置如图所示,则下列关系正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/5/969b5197-83c4-4d9f-87a8-3900203f90b2.png?resizew=271)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知a,b两数在数轴上对应的点如图所示,下列结论正确的是()
![](https://img.xkw.com/dksih/QBM/2019/11/6/2328073588989952/2330843826978816/STEM/cda4ccec7d814672bae6c4d5267e2b5b.png?resizew=165)
![](https://img.xkw.com/dksih/QBM/2019/11/6/2328073588989952/2330843826978816/STEM/cda4ccec7d814672bae6c4d5267e2b5b.png?resizew=165)
A.-a>-b | B.ab<0 | C.b﹣a<0 | D.a+b>0 |
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【推荐1】已知a,b,c三个数在数轴上的位置如图所示,有以下4个结论:
①
;②
;③
;④
;其中正确的结论的个数有( )个.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/d8f0e776-00f0-4e34-8ea2-201c3ad62cbf.jpg?resizew=195)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57c13cec08993ae8fde867008257c24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c902715bd4af67120e50612b26e3fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4038b2796f777cc62df41ea73ec3f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aff1964cd3a2034101e462c7b4176f8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/d8f0e776-00f0-4e34-8ea2-201c3ad62cbf.jpg?resizew=195)
A.4 | B.3 | C.2 | D.1 |
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【推荐2】如图,点A和B表示的数分别为a和b,下列式子中,不正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/10/27/2838242203467776/2838586071072768/STEM/c1f77d14-a180-4f31-949e-5ec894f058de.png)
![](https://img.xkw.com/dksih/QBM/2021/10/27/2838242203467776/2838586071072768/STEM/c1f77d14-a180-4f31-949e-5ec894f058de.png)
A.a>-b | B.a<b | C.a-b>0 | D.a+b>0 |
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【推荐1】如图,把一个圆分成三个扇形,若圆的半径为2,则其中面积最大的扇形的圆心角度数和面积分别为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/12/5ecf2b03-4635-4899-8d47-75c31da8188a.png?resizew=104)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/12/5ecf2b03-4635-4899-8d47-75c31da8188a.png?resizew=104)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知a,b两数在数轴上对应的点如图所示,下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/0eee1675-1f69-420c-bcb6-a012cc76609d.png?resizew=177)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/0eee1675-1f69-420c-bcb6-a012cc76609d.png?resizew=177)
A.a<b | B.ab<0 | C.b﹣a>0 | D.a+b<0 |
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【推荐1】有理数
,
在数轴上的位置如图所示,则下列判断正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/7ac71eaa-4f3d-4ce4-bf4e-73a5ca00ba87.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/7ac71eaa-4f3d-4ce4-bf4e-73a5ca00ba87.png?resizew=188)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】点A,
在数轴上的位置如图所示,其对应的数分别是
和
.对于以下结论:甲:
;乙:
;丙:
;丁:
.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/e748d883-eb6d-42c8-8d4c-0f21b988e8b3.png?resizew=300)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19fef073cac56c990efd42dac422aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/593f77a445af795c97f87a758faf453f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5478e5dd2148226ffef203554dd80aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20179994d1fe3dc16cb920e392a9e6c9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/e748d883-eb6d-42c8-8d4c-0f21b988e8b3.png?resizew=300)
A.甲乙 | B.丙丁 | C.甲丙 | D.乙丁 |
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