有理数
,
,
在数轴上的位置如图所示,且表示数
的点、数
的点与原点的距离相等.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/3973e047-ffbe-4c2f-b8ed-1522b920b9c8.png?resizew=311)
(1)用“
”“
”或“
”填空:
______
,
_____
,
_____
,
_____
;
(2)
______;
(3)化简:
.
![](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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/3973e047-ffbe-4c2f-b8ed-1522b920b9c8.png?resizew=311)
(1)用“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8409329b550296446a936d97c491ca9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa17a39f52e09981729af4439ca535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5d21d0df8c71a709ed741e953daba4.png)
(3)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354678bed70c7205a29879b2c64aca92.png)
更新时间:2022-11-17 13:36:44
|
相似题推荐
解答题-计算题
|
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(0.85)
名校
【推荐1】有理数a、b、c在数轴上的位置如图:
![](https://img.xkw.com/dksih/QBM/2021/12/16/2873897848324096/2877139343974400/STEM/10bec75c-757f-4f90-82b8-e2d7badf8b12.png?resizew=250)
(1)比较大小(填“>”或“<”号)
①c 0;
②a-c 0;
③a-b 0
(2)如图所示,化简
.
![](https://img.xkw.com/dksih/QBM/2021/12/16/2873897848324096/2877139343974400/STEM/10bec75c-757f-4f90-82b8-e2d7badf8b12.png?resizew=250)
(1)比较大小(填“>”或“<”号)
①c 0;
②a-c 0;
③a-b 0
(2)如图所示,化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ba468961f2b42f0c2b370236de7a2d.png)
您最近一年使用:0次
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【推荐2】已知在数轴上有A,B,C三个点,点A表示的数是
,点B表示绝对值最小的数,点C表示的数是最大负整数.
(1)在数轴上把A,B,C三点表示出来,并比较这三个点表示的数的大小(用“
”连接);
(2)如何移动点B,使点C到点A和点B的距离相等.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
(1)在数轴上把A,B,C三点表示出来,并比较这三个点表示的数的大小(用“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
(2)如何移动点B,使点C到点A和点B的距离相等.
您最近一年使用:0次
解答题-计算题
|
较易
(0.85)
【推荐1】已知有理数a、b、c在数轴上位置如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/78961551-d341-4e63-a877-bcfba6b47e9c.png?resizew=269)
(1)比较大小:直接用“<”符号把a、b、
、
、c、
连接起来.
(2)化简:
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/78961551-d341-4e63-a877-bcfba6b47e9c.png?resizew=269)
(1)比较大小:直接用“<”符号把a、b、
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5060ad37c403f248c937c1d59af5c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6616da8f7c03dc5d8f1ed993d3cfa25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b9d9315539052dd2e4a67066d8de1c.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbd6787db00147fe75cf05d9ff74227.png)
您最近一年使用:0次
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【推荐2】如图,已知
,
,
三点分别对应数轴上的数
,
,
.
(1)化简:
.
(2)若
,
,
.且满足
与
互为相反数,
是绝对值最小的负整数,
,
互为倒数,试求
的值.
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](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://img.xkw.com/dksih/QBM/2021/1/8/2631484135997440/2631841392623616/STEM/d9c4f0858ded4a428a47f800cb305504.png?resizew=280)
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3579a81bfa7cb1340cf7e95f56d3855.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fdd9ffbd955a22a5a8461ea706f43ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c3e870762990d7d7ac04d9cb00041f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb85fbdedfa67b05e19c7fb94911b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add4af362ce8e335946b8bfd93ef5f32.png)
您最近一年使用:0次
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【推荐1】已知a、b、c在数轴上的位置如图所示,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/e6b257ef-98be-4879-aa13-2b6461c6df67.png?resizew=199)
(1)用“>”或“<”填空:c+b 0,abc 0,ab+c 0.
(2)化简:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/e6b257ef-98be-4879-aa13-2b6461c6df67.png?resizew=199)
(1)用“>”或“<”填空:c+b 0,abc 0,ab+c 0.
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d1adcdea60c48e7481b5af932af24bc.png)
您最近一年使用:0次