山东省济宁市北湖区2023-2024学年七年级下学期期中考试数学试题
山东
七年级
期中
2024-05-24
32次
整体难度:
容易
考查范围:
方程与不等式、统计与概率、图形的性质、函数、图形的变化
一、单选题 添加题型下试题
A.从中随机抽取1个球,抽到红色的可能性更大 |
B.从中随机抽取1个球,抽到红色和蓝色的可能性一样大 |
C.从中随机抽取6个球,一定有蓝色的 |
D.从中随机抽取5个球,可能都是红色的 |
【知识点】 判断事件发生的可能性的大小解读 根据概率公式计算概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c8210eadb24a76eccacaaff9ef9df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbe05b040ede6c1afeb58abd15d83d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f2976297a0deaa1602ef09d6a5afa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 根据平行线判定与性质求角度解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba22bf5f245b164054f1a7e3ced63e40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f149e83812e72efd7dd3dfc78d0134ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2224bb7e017b4d687e1d4f70ce3cd7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 三角形的外角的定义及性质解读 三角形折叠中的角度问题解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 根据实际问题列二元一次方程组解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8704352b5f32cfa3d34b398695b531ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25562c0382e0fc8b89d44081d9aaf737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e31351d7b971bda5c97c662fc71103a.png)
A.27 | B.29 | C.34 | D.36 |
【知识点】 几何问题(二元一次方程组的应用)解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77c8ef75793d21d2d5d8bf470a61159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db32babcd805f85499ad54471ffae24d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7da2c660be7c8d9f277e28c696dcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceb5cc71fc50f20649f6b9535fd914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561b0e68ef5226f37521ab181141db17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af8c6b42f0de2a20b5a6c63223d6eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6c71bfde36498d075aa5fd3a66fe22.png)
A.①② | B.②③④ | C.①③④ | D.①②③④ |
二、填空题 添加题型下试题
【知识点】 写出命题的题设与结论解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
【知识点】 根据概率公式计算概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1fc08d38a72eb8bda5f8a344aac9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024015816ece1fd176186ed0f04db8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a64c18f65d990387dfa73eef01073e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b29e92c6b2fef4c7b433f28c410651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93533a9961354befab3aba3dd1d80bd1.png)
【知识点】 已知二元一次方程组的解的情况求参数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c5a71d70e638f8f2d0c90680ea5a2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79cd9d0d73549e2944578f3513631ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3702b5620dbee356a8e560c78d223ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55997bbecc50abc4464188f625e3fc64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed53ec8ad6d5225392637a47d4d5ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa6ed13924407a7bc877e9941619766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a54ebdd7c8ebe4fae84eac043b762448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
【知识点】 角平分线的有关计算解读 三角形的外角的定义及性质解读
三、解答题 添加题型下试题
已知:如图,B、C、E三点在同一直线上,A、F、E三点在同一直线上,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2dcd2369da58fb0220659fc109e6e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e41a6f5501513f407dd6223b44c365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8f6d78dc2aeddcff5f17908bb7198c.png)
∴____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc9039f5759f8e555262e1f8c03ef3d.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0bd8869f34219e7fbe5a9b8842667c1.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c89d1931d1678fbeb6f5066f99d7c4d.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1dc5e91711cd3247e673885b043a1c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fbbe04651b37e1520bb9a7bafed509.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c89d1931d1678fbeb6f5066f99d7c4d.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
(1)求袋中白球的个数;
(2)求从袋中摸出一个球是黄球的概率;
(3)取走2个白球和3个黄球后,求从剩余的球中摸出一个球是红球的概率.
【知识点】 根据概率公式计算概率解读 已知概率求数量解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4e3f4b5cf3bdc5a70b4337cdbbdccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ab822447b905b1fa91a6bf09c7f87f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4e3f4b5cf3bdc5a70b4337cdbbdccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c23953fd81157aa23b86511c381698d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d797c45cdecab4d313041fe5b1d3e3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdfdd8a91f8509b42e3bdab52f694d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)当消费多少次时,甲,乙两种消费卡的费用相同?
【知识点】 其他问题(一次函数的实际应用)
甲 | 乙 | |
成本 | 1.2元/只 | 0.4元/只 |
售价 | 1.8元/只 | 0.6元/只 |
(2)小明有16.2元的零花钱,打算购买甲和乙两种口罩(两种都要买),正好赶上口罩价格调整,其中甲型口罩售价上涨50%,乙型口罩按原价出售,则小明有多少种不同的购买方案可以使钱正好花完?请设计出这些方案.
【知识点】 销售、利润问题(二元一次方程组的应用)解读
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb1bbad3b5e8b170260afb32829902b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ddebb477d3e598c8d54b9fd2d7ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3e081637bcea5368cc72370bae283b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4155b9782cadf9e5f614d98b370d556b.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8f4647190bc78fbe493828e457fc5d.png)
(3)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbaff54b14910886cfaa1a89a37a233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f805a4e03671ca6eca8eb60a8eebe6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4a63d14654c66cc71bf26293d698ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e927a55cbca1bbe2c534b609203e99c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0100d8afd2e79af67c1b914b2fc791a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1a13346c7971d064ef14cecd9a9ed5.png)
【知识点】 根据平行线判定与性质证明
试卷分析
试卷题型(共 22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 | 二元一次方程的定义 | |
2 | 0.94 | 事件的分类 | |
3 | 0.85 | 垂线段最短 对顶角相等 两直线平行同位角相等 判断命题真假 | |
4 | 0.94 | 判断事件发生的可能性的大小 根据概率公式计算概率 | |
5 | 0.85 | 利用图象法解一元一次方程 | |
6 | 0.85 | 根据平行线判定与性质求角度 | |
7 | 0.85 | 三角形的外角的定义及性质 三角形折叠中的角度问题 | |
8 | 0.85 | 根据实际问题列二元一次方程组 | |
9 | 0.85 | 几何问题(二元一次方程组的应用) | |
10 | 0.65 | 角平分线的有关计算 根据平行线判定与性质证明 三角形的外角的定义及性质 | |
二、填空题 | |||
11 | 0.94 | 写出命题的题设与结论 | |
12 | 0.94 | 根据概率公式计算概率 | |
13 | 0.65 | 对顶角相等 三角形内角和定理的应用 折叠问题 | |
14 | 0.65 | 已知二元一次方程组的解的情况求参数 | |
15 | 0.65 | 角平分线的有关计算 三角形的外角的定义及性质 | |
三、解答题 | |||
16 | 0.85 | 加减消元法 | 计算题 |
17 | 0.85 | 同位角相等两直线平行 内错角相等两直线平行 两直线平行内错角相等 | 证明题 |
18 | 0.65 | 根据概率公式计算概率 已知概率求数量 | 问答题 |
19 | 0.65 | 三角形的外角的定义及性质 与角平分线有关的三角形内角和问题 | 问答题 |
20 | 0.65 | 其他问题(一次函数的实际应用) | 应用题 |
21 | 0.65 | 销售、利润问题(二元一次方程组的应用) | 应用题 |
22 | 0.4 | 根据平行线判定与性质证明 | 证明题 |