名校
1 . 如图是由几个完全相同的小正方体组成的立体图形,它的主视图是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-06更新
|
292次组卷
|
2卷引用:云南省2024年九年级下学期月考数学试题
名校
2 . 我国古代数学名著《九章算术》中对正负数的概念注有“今两算得失相反,要令正负以名之”.如:节约水
记作
,那么浪费水
应记作( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635446403b6f971ccae7fb80297dd635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22510a6c981bfd8c5ad4acef9c7a9f5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a5fd582d80bbec9823269d993fd0d8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-06更新
|
307次组卷
|
2卷引用:云南省2024年九年级下学期月考数学试题
名校
3 . 计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5a1a26694a0ffdc2f3ff297111de1b.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5a1a26694a0ffdc2f3ff297111de1b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d91eb29cef0ab0157e13ba11501731.png)
您最近一年使用:0次
2024-05-01更新
|
203次组卷
|
2卷引用: 重庆市第十一中学校2023-2024学年七年级下学期第二次月考数学试题
名校
4 . 可以用来说明命题若
.则
是假命题的反例是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5821f59d12217af9a3804379c8231f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176f738b91a19f8b6abff4bcc384047f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-27更新
|
42次组卷
|
6卷引用:湖南省长沙市开福区第一中学2023-2024学年七年级下学期月考数学试题
湖南省长沙市开福区第一中学2023-2024学年七年级下学期月考数学试题福建省厦门市思明区福建省厦门第一中学2023-2024学年七年级下学期月考数学试题陕西省汉中市略阳县2021-2022学年八年级上学期期中考试数学试卷(已下线)专题5.3-5.4平行线的性质、平移-【帮课堂】2022-2023学年七年级数学下册同步精品讲义(人教版)福建省厦门市杏南中学2022-2023学年七年级下学期月考数学试题江苏省南通市崇川区2023-2024学年七年级上学期期末数学试题
名校
5 . 如图,点
在
延长线上,
,
交于点
,且
,
,
比
的余角小
,
为线段
上一动点,
为
上一点,且满足
,
为
的平分线.下列结论:①
;②
;③
平分
;④
;⑤
.其中结论正确的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da92e0393998387d62489dbc67bade3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fd85cff10e8f192cfe0b0a8b2f4996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12556fec84c15880aca288be6ff133fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fc8bfdbf2a7e4ab5ef262b20611785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c14050acd1cf1c9ff6ee90b3f07f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d19304561bed6d1da08860a4ccfa714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ec7243073566a0ab60a58271970f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b41e17cc858641fa08aff9b56a17b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f190c240ed2ad2ee0717423d8439e61.png)
A.①②③ | B.①②③④ | C.①②③⑤ | D.①②③④⑤ |
您最近一年使用:0次
6 . 式子
有意义的条件是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d02f4aa63d8c6fdb30ec107197d95f0.png)
您最近一年使用:0次
7 . 化简:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8fa80b4bcb268d8aae60c9624eec3b.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8fa80b4bcb268d8aae60c9624eec3b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38ec71e3205c67cba83bfb8b128ad3c.png)
您最近一年使用:0次
名校
8 . 如图,是若干个粗细均匀的铁环最大限度的拉伸组成的链条,已知每个铁环长4厘米,铁环粗
厘米,铁环间处于最大限度的拉伸状态.设
个铁环长为
厘米,则
与
之间的关系式为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b2cd9be79d300f762bad38ffc83606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
9 . 2023年10月9日华为公司发布了最新一代的鲲鹏5.0处理器,彰显在半导体领域的卓越实力,芯片采用0.000000007米制工艺.将数据0.000000007用科学记数法表示为_______ .
您最近一年使用:0次
名校
10 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb4d93231707adcb0dfe947c8542268.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb4d93231707adcb0dfe947c8542268.png)
您最近一年使用:0次