1 . 规定
,已知
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
( ) .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3cc82bc97304b8870e4bda9ffbdf0a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acddf4be6b18c134707cfff5d4667df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2023-08-30更新
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45次组卷
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4卷引用:江西省南昌三中2023-2024学年七年级上学期开学考试数学试题
江西省南昌三中2023-2024学年七年级上学期开学考试数学试题湖南省衡阳市船山实验中学2023-2024学年七年级上学期入学测试数学试题(已下线)专题06 一元一次方程(5种题型)-【好题汇编】备战2023-2024学年七年级数学上学期期中真题分类汇编(苏科版)湖南省衡阳市蒸湘区船山实验中学2023-2024学年七年级上学期开学考试数学试题
名校
2 . 已知点
,根据条件,解决下列问题:
(1)点
的横坐标是纵坐标的
倍,求点
的坐标;
(2)点
在过点
且与
轴平行的直线上,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6153c63a9f223c2227a7942ba34b0257.png)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1067a261be105772342926d3aec9c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
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2023-08-24更新
|
145次组卷
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6卷引用:江西省南昌市象湖学校2022-2023学年七年级下学期期末数学试题
江西省南昌市象湖学校2022-2023学年七年级下学期期末数学试题新疆维吾尔自治区乌鲁木齐市第四中学2022-2023学年七年级下学期期中数学试题(已下线)七年级下册期末模拟测试预测题04(考察内容:七年级下册)-2022-2023学年七年级数学下学期期中期末考点大串讲(人教版)(已下线)七下人教版期中真题精选(常考60题28个考点分类专练)-2023-2024学年七年级数学下学期期中考点大串讲(人教版)陕西省西安市西咸新区东新城沣东第六初级中学2022-2023学年八年级上学期期中数学试题湖南省常德市澧县2022-2023学年八年级下学期期中数学试题
3 . 新规定这样一种运算法则:
,如
;
利用运算法则解决下列问题:
(1)
______.
(2)若
,求
的值.
(3)若
,求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e90d18cb12a1ae7c0dda11ce168e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b48ece51afb9967587382dbece5e68f.png)
利用运算法则解决下列问题:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10faa76bc3bbfa9630e9630dd71bf87d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af7c268fb73597d34b85d91c0ec3a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22865d5861fa8d5c03603e4eaf66eeca.png)
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4 . 某同学在解方程
时,方程右边的
没有乘6,其他步骤正确,结果方程的解为
.求a的值,并求出该方程正确的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cfdd900452451ac75d00148fb3d7a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad28cf75611760c0c7f597dee459ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
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5 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f0d4e81bd5c089305fca8c2fd9ea7e5.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f0d4e81bd5c089305fca8c2fd9ea7e5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5bcd4fb4d288df38ca8896ea596c8c.png)
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6 . 【教材呈现】如图是人教版七年级下册数学《数学作业本》第35页的部分内容.
写出这道题完整的解题过程.
【拓展】若关于
、
的方程组
的解满足
,求
的最小整数值.
5.已知关于![]() ![]() ![]() |
【拓展】若关于
![](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/5eee964aef463859bcef2295ec4119c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62f96a86b4f37bf0bc9724a68590764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42858f9fa1b0caacd0f975eb7b7dab19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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8 . 两条直线相交所成的四个角中,有两个角分别是
和
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fac819fa15b441d3bf4a519f45cefb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/919c4031e886c3b4f8a1668fdf17674c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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9 . 若
,
互为相反数,
,
互为倒数,
的绝对值为2.
(1)求代数式
的值.
(2)若多项式
中不含
项,求
的值.
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求代数式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8809d54626a3e669cffe8bff8a6fc8fb.png)
(2)若多项式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/443bd57f37dbe313392f4f2afcb74e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2023-07-25更新
|
122次组卷
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2卷引用:江西省赣州市经开区2023-2024学年七年级上学期期末数学试题
10 . 若实数
,
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.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/bf1aaaea0449ea43cf2cd284441ecfbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994e7dc3656469d95a12b3d46e48b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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