若
,则
的平方根为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200511f1d428704e24d497ecdf1c03e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991b2c7aeca2ca3c258407e193f52bb3.png)
A.![]() | B.4 | C.2 | D.![]() |
21-22八年级上·江苏连云港·阶段练习 查看更多[2]
江苏省连云港市灌南县新知双语学校2021-2022学年八年级上学期9月月考数学试题(已下线)第07讲 平方根与立方根(4大考点)-2022-2023学年八年级数学上学期考试满分全攻略(苏科版)
更新时间:2022-10-07 11:09:50
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单选题
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(0.85)
【推荐2】已知
的三边
,
,
满足
,那么
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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A.不等边三角形 | B.等边三角形 | C.等腰三角形 | D.不能判断 |
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【推荐1】若实数a、b满足等式|a﹣3|+
=0,且a、b恰好是等腰三角形△ABC的边长,则这个等腰三角形的周长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb014de1a2e01be0c112d2062db4c48d.png)
A.15 | B.9 | C.12 | D.12或15 |
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较易
(0.85)
【推荐2】
的三边满足
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49f65a60e15d2f0eda1af56ce4af316.png)
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A.等腰直角三角形 | B.等腰三角形 |
C.等边三角形 | D.直角三角形 |
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真题
【推荐1】下列运算正确的个数是( ).
①
;②
;③
;④
.
①
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbcee0389286978ccb853b05b36e9157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632bece24d4f3a3c76f0863342530b93.png)
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A.4 | B.3 | C.2 | D.1 |
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【推荐2】四个等式:①
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a766097259f209dc88da1e0f67d9401a.png)
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A.①②③ | B.①③④ | C.①② | D.③④ |
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