1 . 最简根式
与
是同类二次根式,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f545909fc65e464bccd014482529f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e99f6aa7761cc2c4d496a6960c29f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2 . 化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6345589534026db54ea742b0b7be5745.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6345589534026db54ea742b0b7be5745.png)
您最近一年使用:0次
名校
3 . 若
有意义,则实数x的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698a8c47c10cbdd355ca63fd2ee55574.png)
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2021-11-26更新
|
291次组卷
|
2卷引用:苏教版(2019) 必修第一册 过关检测 第4章 4.1.1 根式
4 . 若81的平方根为a,
的立方根为b,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf3d3564c61e5e9c39a9e2cf2de048b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
您最近一年使用:0次
5 . 有下列说法:
①
; ②16的4次方根是
;
③
; ④
.
其中正确的有______ (填正确说法的序号).
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70085d19943c8ae8fabbc05212291f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b8bee40319fe80e512d221cfe252a7.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2edaf035de8c332da87633eb41be659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33ad1172ad3ac5f56b217da5c10de19.png)
其中正确的有
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6 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db51835ff37f6ed41ced8eb3bba2c88e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76dd736b1688b46cced164b4d04d0635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db51835ff37f6ed41ced8eb3bba2c88e.png)
您最近一年使用:0次
名校
7 . 比较大小:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6011af1246472cfa38d0a21a320ecac.png)
___________
(填“
”或“
”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6011af1246472cfa38d0a21a320ecac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53204688086b1d0111e91cb49fa0ac61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
您最近一年使用:0次
2021-11-11更新
|
498次组卷
|
3卷引用:4.1指数B卷
8 . 若代数式
有意义,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0b6b832cd1e1338065757df72c1828.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223b04f92a388338644635aad7cfa987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0b6b832cd1e1338065757df72c1828.png)
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2021-11-09更新
|
379次组卷
|
2卷引用:湘教版(2019) 必修第一册 突围者 第4章 第一节 课时1 有理数指数幂、无理数指数幂
20-21高一·江苏·课后作业
9 . 化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a13e6158a46b8f5b50209083084c39.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a13e6158a46b8f5b50209083084c39.png)
您最近一年使用:0次