重庆市万州区2021-2022学年七年级上学期期末数学试题
重庆
七年级
期末
2022-04-11
532次
整体难度:
容易
考查范围:
数与式、图形的变化、图形的性质、方程与不等式
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5420fc804d07d723606e24bdd05555be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2562b4dded4cbd3d5230df6e92eaa3.png)
A.![]() | B.![]() | C.1 | D.3 |
【知识点】 化简绝对值解读 两个有理数的乘法运算 有理数的除法运算解读
A.800米 | B.200米 | C.800米或200米 | D.无法确定 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6b8340ed03c3adc41c28bb53add493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50be46a8de1eb19a4c2808ed4870e85.png)
A.32 | B.28 | C.![]() | D.![]() |
【知识点】 已知式子的值,求代数式的值解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cfa67a1cad37a27964b4ceb71631db.png)
A.4 | B.-12 | C.-18 | D.-28 |
【知识点】 含乘方的有理数混合运算解读
![](https://img.xkw.com/dksih/QBM/2022/1/8/2897225810231296/2954683607097344/STEM/0f33fbcb2e1e4269b25dfa74c76e15c5.png?resizew=411)
A.26 | B.30 | C.31 | D.36 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a4b06c6adee875eb76d5a172fc72a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c5dd31f77a5ea2c756e667a1cf66ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc10b47565be70d5aded26d6a0b8c9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a94acdfb41489d5694b5a64b9e99754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5e63fa07bbfcc6d5b1b68716d8c731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99d0a33ea3ab43a6133b6d69e5c3a10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2cd69613a3041f3ccb4a67af1396a9.png)
A.(1)(2) | B.(1)(3) | C.(2)(3) | D.(1)(2)(3) |
二、填空题 添加题型下试题
【知识点】 用科学记数法表示绝对值大于1的数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
【知识点】 数轴上两点之间的距离解读 线段中点的有关计算解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0440e79b4b817a2c7d9d05089962ae72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc310194575262fb45352c2fbc19868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc8444d63d1ca92651c62fe9b220859.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/22/0532fc4a-8df2-4986-81b0-625a89e2265a.png?resizew=225)
【知识点】 同旁内角互补两直线平行解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/56c38a25-cb25-4dfd-8a2f-ab5f76a13d61.png?resizew=541)
【知识点】 程序流程图与代数式求值解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ab5c1b86983380e75e0d12ddc92705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7002c45a5f811e4657d002c2094dc11f.png)
【知识点】 约分解读 销售、利润问题(二元一次方程组的应用)解读
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc2bf648ce19ccd2b33881cf81fc228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f22947d8546a3eedadfaebc18d8986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c94a44eac8acaf8d0851ebf67f3e090.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd2e0881dea2b5d4938ac48b2b1782d.png)
(2)若代数式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ae28064f9ac2a0f38e9d5d54a3f9e9.png)
【知识点】 整式加减中的无关型问题解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cc88685997c7586d1d4bf75a055433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://img.xkw.com/dksih/QBM/2022/1/8/2897225810231296/2954683607375872/STEM/a017df5d65644512931ba8c06d80f52d.png?resizew=547)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f4aab54ea8d3feeb9532c95c876a710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
(3)将图2中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66570f697459aba9daa2eaf9460bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4b35c3651620d67a802366695d10a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
【知识点】 几何图形中角度计算问题解读 角平分线的有关计算解读
一次性购物 | 优惠办法 |
少于200元 | 不予优惠 |
低于500元但不低于200元 | 全部八折优惠 |
500元或超过500元 | 其中500元部分给予八折优惠,超过500元部分给予七折优惠 |
(2)若某顾客在该超市一次性购物x元,当x小于500元但不小于200时,他实际付款________元;当x大于或等于500元时,他实际付款_________元(用含x的代数式表示并化简);
(3)在活动期间,王老师去该超市购物两次,这两次的商品原价合计850元,第一次购物的原价为a元
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436e70e8cfeeb45a45f535ced430c693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9d29361cc1f932b92d9c57a03fd84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081fad2749f3f201cf2c324c3d0dd190.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa7a1f65ebe9538eb50e15a7225e31c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17a7d9d845269dc80ec8c1d74008638.png)
(1)最大的相异数是_____,最小的相异数是________,计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db59d8c16b7285701fa228e8da88ad0.png)
(2)设相异数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4f2678ccf28816a600521ff8b28ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11599414bbd53d541e89a719df6a4e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081fad2749f3f201cf2c324c3d0dd190.png)
(3)设相异数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4f2678ccf28816a600521ff8b28ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11599414bbd53d541e89a719df6a4e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081fad2749f3f201cf2c324c3d0dd190.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d2790a97390935125aa897417f970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d2790a97390935125aa897417f970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad9d82d7c8316ceea361e658deb0bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6398b47ceba8e86f9978f78a7cdbb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
(3)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d9f62d960fd90d6ab2ac28a258928d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b44bc57ce33d50198e138a4c22e5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f493d450f39f39864aa99e80db2e2e1.png)
请解答:
![](https://img.xkw.com/dksih/QBM/2022/1/8/2897225810231296/2954683607613440/STEM/c27a237f8de64e6ebdaac909b595785c.png?resizew=392)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
(2)点P,Q分别从A,B同时出发,点P以每秒3个单位长度的速度向数轴正方向运动,点Q以每秒1个单位长度的速度向数轴负方向运动,当点P,Q之间的距离为4个单位时,求运动的时间是多少秒?
(3)如图2,点P,Q分别从A,B同时出发向数轴正方向运动,点P的速度每秒3个单位长度,点Q的速度每秒1个单位长度,当点P到达C点时立即掉头向数轴的负方向运动,并且速度提高了
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
试卷分析
试卷题型(共 26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 | 0.94 | 相反数的定义 | |
2 | 0.94 | 判断简单组合体的三视图 | |
3 | 0.94 | 对顶角的定义 | |
4 | 0.94 | 多项式的项、项数或次数 | |
5 | 0.85 | 图形类规律探索 | |
6 | 0.65 | 化简绝对值 两个有理数的乘法运算 有理数的除法运算 | |
7 | 0.94 | 两点间的距离 | |
8 | 0.85 | 已知式子的值,求代数式的值 | |
9 | 0.85 | 含乘方的有理数混合运算 | |
10 | 0.85 | 图形类规律探索 | |
11 | 0.85 | 求一个角的余角 垂线的定义理解 对顶角相等 两直线平行内错角相等 | |
12 | 0.65 | 绝对值的其他应用 合并同类项 解一元一次方程(一)——合并同类项与移项 | |
二、填空题 | |||
13 | 0.94 | 用科学记数法表示绝对值大于1的数 | |
14 | 0.85 | 数轴上两点之间的距离 线段中点的有关计算 | |
15 | 0.85 | 单项式的系数、次数 | |
16 | 0.94 | 同旁内角互补两直线平行 | |
17 | 0.85 | 程序流程图与代数式求值 | |
18 | 0.65 | 约分 销售、利润问题(二元一次方程组的应用) | |
三、解答题 | |||
19 | 0.85 | 有理数四则混合运算 含乘方的有理数混合运算 | 计算题 |
20 | 0.65 | 线段的和与差 两点间的距离 线段中点的有关计算 线段之间的数量关系 | 问答题 |
21 | 0.65 | 整式加减中的无关型问题 | 计算题 |
22 | 0.65 | 几何图形中角度计算问题 角平分线的有关计算 | 计算题 |
23 | 0.65 | 有理数四则混合运算的实际应用 用代数式表示式 已知字母的值 ,求代数式的值 整式加减的应用 | 计算题 |
24 | 0.85 | 因式分解的应用 解三元一次方程组 | 计算题 |
25 | 0.65 | 根据平行线的性质探究角的关系 根据平行线的性质求角的度数 三角形内角和定理的应用 | 问答题 |
26 | 0.85 | 数轴上的动点问题 绝对值非负性的应用 绝对值方程 几何问题(一元一次方程的应用) | 计算题 |