计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d0d6619b09114c9d4edeaca91b67e2.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d0d6619b09114c9d4edeaca91b67e2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621fc6b8eda643ea6f550f33f309cecd.png)
21-22九年级上·北京海淀·开学考试 查看更多[4]
北京交通大学附属中学2021-2022学年九年级上学期开学考试数学试题 (已下线)专题16.16 二次根式的运算100题(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(人教版)(已下线)专题1.16 二次根式的运算100题(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)(已下线)专题16.16 二次根式的运算100题(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(沪科版)
更新时间:2021-09-07 15:31:27
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解答题-计算题
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较易
(0.85)
【推荐2】有理数
,
在数轴上的对应点位置如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/19/5475ac2f-9c61-429b-96eb-ce302cfa7685.png?resizew=372)
(1)在图中标出
所对应的点,并用“
”连接
,
,
,
;
(2)化简:
.
![](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/2023/2/19/5475ac2f-9c61-429b-96eb-ce302cfa7685.png?resizew=372)
(1)在图中标出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6616da8f7c03dc5d8f1ed993d3cfa25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.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/b5060ad37c403f248c937c1d59af5c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6616da8f7c03dc5d8f1ed993d3cfa25.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da002e458618161786b82bdb98ea59c8.png)
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