河南省南阳市镇平县2023-2024学年七年级下学期期中数学试题
河南
七年级
期中
2024-05-22
37次
整体难度:
容易
考查范围:
方程与不等式、图形的性质、数与式
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7da595406d89ce8a442ee27a12eec9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a637e8f4e368c079616955509b1717e3.png)
A.10 | B.12 | C.14 | D.16 |
【知识点】 几何问题(一元一次方程的应用)解读
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 古代问题(二元一次方程组的应用)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb8515ad77c2baddccf62aba0e753e1.png)
A.买两件等值的文具可减10元,再打2折,最后不到50元 |
B.买两件等值的文具可打7折,再减10元,最后不到50元 |
C.买两件等值的文具可减10元,再打7折,最后不到50元 |
D.买两件等值的文具可打2折,再减10元,最后不到50元 |
【知识点】 用一元一次不等式解决实际问题解读
A.143 | B.168 | C.363 | D.572 |
【知识点】 几何问题(二元一次方程组的应用)解读
二、填空题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
【知识点】 在数轴上表示不等式的解集解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9988e5c16213bb9c7964df4d8655898.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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7c65d0b9462b572286a16628e6dc5c.png)
【知识点】 二元一次方程的定义解读 求一元一次不等式的解集解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
【知识点】 电费和水费问题(一元一次方程的应用)解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01317332a203c898536b1d0459f51d23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c61c07eb48a34b90d5dcee3973b695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b27aee52676f4237adac068fe745fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
【知识点】 已知字母的值 ,求代数式的值解读 加减消元法解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c889d1b18a0c98d18cf99b7878cec350.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3779b4ea5477aebfe85113b0de1d60.png)
品名 | 苹果 | 橙子 |
批发价(元/千克) | 8 | |
零售价(元/千克) |
(2)如果苹果和橙子全部卖完,请直接写出李大爷能赚________元.
已知
![](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/6207dde140fa826aa115c3d8c55686d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
小丽说:把方程组解出来,再求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
小华说:把两个方程直接相加得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b2bce2ec87d176720e4c73e9f74897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
请你参考小丽或小华同学的思路,解决下面的问题:
(1)已知关于
![](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/6f55634344ec78d327e819822834a1e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41f78f7847290bc3f3230169595cf0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知关于
![](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/699463a2b55a14a572deeb318986998e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f9e131cdd242d56b6dba05ab3363ef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749082d415fedaedd79359ea0878ee14.png)
(1)若参加旅游的人数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若经过计算可知甲、乙两家旅行社的费用相同,求该单位有员工多少人.
【知识点】 销售盈亏(一元一次方程的应用)解读
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dbc9e735bcdfa132894fa4b4409479a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b211dbc908fd357395991b0e8128b14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)若方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d398c6ecc43f645569ccf858cfb5be10.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/294f5ba74cdf695fc9a8a8e52f421328.png)
如下是一道例题,墨水覆盖了条件的一部分.
某中学为了增强同学们的身体素质,专门开设了“足球大课间活动”,为此购买 |
小明通过查看例题的解析发现:“设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e704b443e27b8a9536202834b232e1e.png)
(1)根据题意,例题中被覆盖的条件是______(填序号)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)根据所列方程“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e704b443e27b8a9536202834b232e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
【迁移类比】
(3)小军看了解析后对比发现,二元一次方程组能够更直接地表示出等量之间的关系,从而解决该问题,若设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
请利用小军的思路和所设的未知数,列出方程组并求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
【拓展探究】
(4)老师在例题的条件下,增设了一个问题:根据需要,学校决定再次购进
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
试卷分析
试卷题型(共 23题)
试卷难度
知识点分析
细目表分析 导出
题号 | 难度系数 | 详细知识点 | 备注 |
一、单选题 | |||
1 | 0.85 | 解一元一次方程(一)——合并同类项与移项 | |
2 | 0.85 | 等式的性质 | |
3 | 0.85 | 几何问题(一元一次方程的应用) 几何图形中角度计算问题 | |
4 | 0.85 | 不等式的性质 | |
5 | 0.85 | 等式的性质 | |
6 | 0.85 | 加减消元法 | |
7 | 0.85 | 几何问题(一元一次方程的应用) | |
8 | 0.85 | 古代问题(二元一次方程组的应用) | |
9 | 0.65 | 用一元一次不等式解决实际问题 | |
10 | 0.85 | 几何问题(二元一次方程组的应用) | |
二、填空题 | |||
11 | 0.85 | 方程的解 | |
12 | 0.85 | 在数轴上表示不等式的解集 | |
13 | 0.85 | 二元一次方程的定义 求一元一次不等式的解集 | |
14 | 0.85 | 电费和水费问题(一元一次方程的应用) | |
15 | 0.65 | 已知字母的值 ,求代数式的值 数字问题(一元一次方程的应用) | |
三、解答题 | |||
16 | 0.65 | 解一元一次方程(三)——去分母 加减消元法 | 计算题 |
17 | 0.85 | 求一元一次不等式的解集 求一元一次不等式的整数解 在数轴上表示不等式的解集 | 计算题 |
18 | 0.65 | 已知字母的值 ,求代数式的值 加减消元法 | 计算题 |
19 | 0.65 | 有理数四则混合运算的实际应用 销售盈亏(一元一次方程的应用) | 应用题 |
20 | 0.65 | 解一元一次方程(一)——合并同类项与移项 加减消元法 求一元一次不等式的解集 | 问答题 |
21 | 0.65 | 销售盈亏(一元一次方程的应用) | 应用题 |
22 | 0.65 | 加减消元法 | 计算题 |
23 | 0.65 | 销售盈亏(一元一次方程的应用) 销售、利润问题(二元一次方程组的应用) 用一元一次不等式解决实际问题 | 应用题 |