a,b,c在数轴上的位置如图所示,化简
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fbb381466a56321ebed070928ab9dcb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/28/da080a09-0f0c-4a7f-911d-db20a37048c5.png?resizew=281)
更新时间:2023-07-23 15:30:15
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【推荐1】把下列各数在数轴上表示出来,并按从大到小的顺序用“>”连接起来.
,0,
,
,
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b55fd79977635fbcf52206af33972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0beea05e06b29dc0a11171032f1dc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe07cb1837c848bb5219b456d08da20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a475b867c82eae75f8950087dc05e6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad63d66569e945373b278ac2e091a8b2.png)
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【推荐2】将下列各数在数轴上表示出来,并把它们用“<”连接起来.
,2,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a24df03144eac8d6c0475624dc4dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8b1b7a29618a98bafa8c29dba9aa8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b2dc70ef4fda50a50ec6ade96baef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3528d985a77044680e3fb9bd49c8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a24df03144eac8d6c0475624dc4dc9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/56de6d1e-b60f-420d-ad34-30f9c90d46a4.png?resizew=344)
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【推荐1】有理数
在数轴上的位置如图所示,且
.
(1)用“>”“<”或“=”填空:
__________
,
__________
,
__________
,
__________
.
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421a473589d5abdd504fdb110828611a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/2b4c3922-b718-4816-a24d-1cd5348598ed.png?resizew=272)
(1)用“>”“<”或“=”填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b469fcf7c298a10ecfad0d8776403af.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/7ea712984ea5017140e20bee226fd5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db8d3facff8f90f28a936fc5b3ab878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c3c0679944303188ccdc6d2b15d793.png)
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【推荐2】如图,有理数a,b,c在数轴上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/a77fc83b-1408-414b-8788-61760c7f2a98.png?resizew=200)
(1)判断正负(用“<”或“>”填空):
______0;
______0;
______0.
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421a473589d5abdd504fdb110828611a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/a77fc83b-1408-414b-8788-61760c7f2a98.png?resizew=200)
(1)判断正负(用“<”或“>”填空):
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db8d3facff8f90f28a936fc5b3ab878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1810555c0c28fe352841322b85bbc6.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d768206cb52bd357bbcc656216a102.png)
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【推荐2】已知实数
、
、
在数轴上的对应点为
、
、
,如图所示:
![](https://img.xkw.com/dksih/QBM/2020/3/31/2431349510873088/2432208044777472/STEM/82a92518eae84021a95c237e42ed6d42.png?resizew=203)
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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2020/3/31/2431349510873088/2432208044777472/STEM/82a92518eae84021a95c237e42ed6d42.png?resizew=203)
化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499ae6f1f0329be48120ff3625654eb6.png)
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【推荐1】已知整式
,
,若
.
(1)求整式C;
(2)将整式C因式分解;
(3)整式
,比较整式C和整式D的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c064ed5294adc8fcb2a45ba76acb68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dd0a4ef56adfc39412b5fe470c16eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccb599cd92762b73de0b90ea008c19f.png)
(1)求整式C;
(2)将整式C因式分解;
(3)整式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4108751f74ce0e9a0e8eedc8d02be69d.png)
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