1 . 如图,四边形
内接于
,若
,则
的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/9c9e8376-f434-4683-8779-ecf55167553a.png?resizew=132)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6848bc1256dba9d768d2be5f36b8d46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/9c9e8376-f434-4683-8779-ecf55167553a.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 如图1,已知
,用尺规作它的角平分线.
如图2,步骤如下,
第一步:以
为圆心,以
为半径画弧,分别交射线
于点
;
第二步:分别以
为圆心,以
为半径画弧,两弧在
内部交于点
;
第三步:画射线
.射线
即为所求.
下列正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/9eec5059-af1a-4e6e-9daa-6115e0cb465b.png?resizew=593)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
如图2,步骤如下,
第一步:以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58e08ee0b2580a62cf20f709b5e90df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
第二步:分别以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
第三步:画射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
下列正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/9eec5059-af1a-4e6e-9daa-6115e0cb465b.png?resizew=593)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
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3 . 化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f40bc4da7daa21a0789150119019e69.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f40bc4da7daa21a0789150119019e69.png)
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2023-07-05更新
|
154次组卷
|
3卷引用:广东省佛山市顺德区第一中学2020-2021学年高一上学期新生入学数学试题
名校
4 . 不等式组
的解集是
,则m的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a7862b9460fb5dbb7a5b0c320a26ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bfa81fdc4a5c99e9c23ade8f9a7696.png)
A.![]() | B.m<1 | C.![]() | D.![]() |
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2021-01-19更新
|
230次组卷
|
2卷引用:江苏省无锡市南菁高级中学2020-2021学年高一上学期第一次阶段性检测数学试题
名校
5 . 计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf3fe6710e5a8337bd8caac85f4c647.png)
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6 . 抛物线
的顶点坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2424a5b449cd258d39765ba1167f3b98.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-12-29更新
|
381次组卷
|
3卷引用:重庆市复旦中学2020-2021学年高一上学期入学考试数学试题
名校
7 . 随着人民生活水平的不断提高,我市家庭轿车的拥有量逐年增加.据统计,某小区
年拥有家庭轿车
辆,
年拥有家庭轿车
辆.
(1)若该小区
年底到
年底家庭轿车拥有量的年平均增长率都相同,则该小区到
年底家庭轿车将达到多少辆?
(2)为了缓解停车矛盾,该小区决定投资
万元再建造若干个停车位.据测算,一个停车位的建筑面积为
平方米,建造费用分别为室内停车位
元/平方米,露天停车位
元/平方米.考虑到实际因素,计划露天停车位的数量不少于室内停车位的数量的
倍,那么该小区最少可再建露天停车位多少个?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8b5f0ffe0a3eec01f91f2e9a5db687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46697de8a6957e57623deb40ac659df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9824e0c876f4122f0c5952de29e5a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba602bfa3a3ffb4fb43dc0f704a7f7d.png)
(1)若该小区
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8b5f0ffe0a3eec01f91f2e9a5db687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb59aa52a39b7838426b868c03fd642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb59aa52a39b7838426b868c03fd642.png)
(2)为了缓解停车矛盾,该小区决定投资
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba602bfa3a3ffb4fb43dc0f704a7f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b72ac611ae66b86761e080761d9aabc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4abb59695562b3a1295a251dc97da700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dd550e1ad9bbf01687ffb4aab788ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212d6e1f4d7dcc0e5e902c46e3b1dfcc.png)
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8 . 已知:如图,
,
,那么
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/4baeaa2e-528e-4a74-ad5a-3680cfe60498.png?resizew=207)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb4ef23dce64fc9cfe14ea5b1cc0405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/100fefbb32028bef119d69ee278684aa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/4baeaa2e-528e-4a74-ad5a-3680cfe60498.png?resizew=207)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 不等式组
的解集是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090055339277047e7f11d90620b97fec.png)
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10 . 在
,
,
,
这四个数中,最大的数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a20d1a6c018b5439420f5d2a268c7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3867a6ec664556756d2d495b90f087ce.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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