2026小升初数学高阶分班诊断与冲刺训练包-8套综合卷72题专项突破答题卡评分标准错题复盘-final_第1页
2026小升初数学高阶分班诊断与冲刺训练包-8套综合卷72题专项突破答题卡评分标准错题复盘-final_第2页
2026小升初数学高阶分班诊断与冲刺训练包-8套综合卷72题专项突破答题卡评分标准错题复盘-final_第3页
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2026小升初数学高阶分班诊断与冲刺训练包-8套综合卷72题专项突破答题卡评分标准错题复盘-final_第5页
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2026小升初数学高阶分班诊断与冲刺训练包姓名:________日期:________用时:________自评:________2026小升初数学高阶分班诊断与冲刺训练包8套综合诊断卷·72题专项突破·答题卡·分步评分·答案解析·错题复盘栏目说明适用对象六年级升初一学生;准备分班摸底、入学诊断、暑期衔接训练的家庭与班级。使用场景可用于4周集中训练、周末诊断、课堂讲评、家庭陪练、二次复测与错题整理。资料结构先做综合卷定位问题,再按专项突破补短板,最后用评分标准与复盘表形成闭环。建议节奏每周2套综合卷+2个专项模块;错题当天订正,48小时内二次复测。资料依据与适用边界本资料围绕小学阶段常见数学核心内容设计,能力方向参考《义务教育数学课程标准(2022年版)》中数与运算、数量关系、图形与几何、统计与概率、推理意识和应用意识等相关要求。题目为日常训练与诊断使用,不代表任何学校或机构的实际试卷,也不替代教师根据学生实际情况作出的个别化教学判断。使用提醒:每套综合卷建议限时70分钟,独立完成后再对照答案;家长或老师可按评分点给分,不只看最终结果。遇到连续错题,应回到专项突破部分进行针对性训练。一、使用方法与4周训练安排训练目标不是单纯“刷题”,而是形成“诊断—订正—复测—讲评”的闭环。建议先做第1套综合卷确定薄弱项,再根据错因进入对应专项题组。阶段综合训练专项训练复盘重点第1周综合卷1-2计算巧算、分数百分数建立错题本;记录计算失分类型第2周综合卷3-4比和比例、工程问题每道应用题必须写数量关系第3周综合卷5-6行程问题、几何测量重点训练画图、列表、单位换算第4周综合卷7-8统计规律、综合思维按评分标准复盘,完成二次复测通用评分建议题型主要得分点讲评提示计算题结果正确且过程清楚重视运算顺序、通分约分、小数点位置;只写答案但正确,可酌情扣过程分。填空题答案准确,单位完整能写出关键关系式更稳;单位漏写、百分号漏写均应扣分。应用题数量关系清楚,列式正确,计算准确,答句完整列式对但计算错可保留主要分;没有答句或单位扣1分。思维题能说明规律或推理过程最终答案正确但无说明,应扣表达分;多解法可加入口头讲评。

二、综合卷答题卡模板(可复印使用)使用方法:每做一套综合卷,先在答题卡记录答案和用时;订正后用红笔写出错因编号。错因编号建议:A审题、B计算、C概念、D数量关系、E单位、F表达。题号答案/过程要点得分错因订正后是否掌握1________________________________________________2________________________________________________3________________________________________________4________________________________________________5________________________________________________6________________________________________________7________________________________________________8________________________________________________9________________________________________________10________________________________________________11________________________________________________12________________________________________________13________________________________________________14________________________________________________本套总分:______/100完成用时:______分钟最需要补强的模块:____________________三、8套综合诊断卷综合诊断卷1(满分100分,建议70分钟)题型题号分值完成提醒计算1-420分写清关键步骤,避免跳步填空5-820分注意单位、百分号、最简结果应用9-1240分先找单位“1”或数量关系思维提升13-1420分说明规律或推理过程1.(5分)计算:7/12+5/18×9/10-1/4=()答:____________________________________________________________2.(5分)计算:12.5×3.2×0.25=()答:____________________________________________________________3.(5分)计算:48×(5/6-3/8)+6=()答:____________________________________________________________4.(5分)解方程:x-3/5x=16答:____________________________________________________________5.(5分)甲、乙两数的比是3:5,两数和是64,甲数是()。答:____________________________________________________________6.(5分)一件物品原价240元,先涨价20%,再降价10%,现价是()元。答:____________________________________________________________7.(5分)一个组合图形由半径6厘米的半圆和长8厘米、宽6厘米的长方形拼成,不重叠。它的面积是()平方厘米。(π取3.14)答:____________________________________________________________8.(5分)18和24的最小公倍数是()。答:____________________________________________________________9.(10分)一项工程,甲单独做12天完成,乙单独做18天完成。两人合作,多少天可以完成?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________10.(10分)甲、乙两车从相距360千米的两地同时相向而行,甲车每小时45千米,乙车每小时55千米。几小时后相遇?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________11.(10分)一本书已经读了45%,还剩110页没读。这本书一共有多少页?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________12.(10分)一个圆柱形水杯,底面半径4厘米,高10厘米。若装满水,水的体积约是多少立方厘米?(π取3.14)答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________13.(10分)观察数列:2,5,10,17,26,()。请写出下一项并说明规律。答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________14.(10分)停车场里有自行车和三轮车共32辆,共有84个轮子。自行车和三轮车各有多少辆?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________综合诊断卷2(满分100分,建议70分钟)题型题号分值完成提醒计算1-420分写清关键步骤,避免跳步填空5-820分注意单位、百分号、最简结果应用9-1240分先找单位“1”或数量关系思维提升13-1420分说明规律或推理过程1.(5分)计算:5/8+3/10×5/6-1/5=()答:____________________________________________________________2.(5分)计算:12.5×6.4×0.25=()答:____________________________________________________________3.(5分)计算:72×(7/9-1/3)+4=()答:____________________________________________________________4.(5分)解方程:x-2/7x=25答:____________________________________________________________5.(5分)甲、乙两数的比是4:7,两数和是88,甲数是()。答:____________________________________________________________6.(5分)一件物品原价300元,先涨价15%,再降价15%,现价是()元。答:____________________________________________________________7.(5分)一个组合图形由半径7厘米的半圆和长9厘米、宽7厘米的长方形拼成,不重叠。它的面积是()平方厘米。(π取3.14)答:____________________________________________________________8.(5分)16和28的最小公倍数是()。答:____________________________________________________________9.(10分)一项工程,甲单独做15天完成,乙单独做20天完成。两人合作,多少天可以完成?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________10.(10分)甲、乙两车从相距420千米的两地同时相向而行,甲车每小时48千米,乙车每小时57千米。几小时后相遇?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________11.(10分)一本书已经读了60%,还剩96页没读。这本书一共有多少页?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________12.(10分)一个圆柱形水杯,底面半径5厘米,高8厘米。若装满水,水的体积约是多少立方厘米?(π取3.14)答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________13.(10分)观察数列:3,7,13,21,31,()。请写出下一项并说明规律。答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________14.(10分)停车场里有自行车和三轮车共28辆,共有74个轮子。自行车和三轮车各有多少辆?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________综合诊断卷3(满分100分,建议70分钟)题型题号分值完成提醒计算1-420分写清关键步骤,避免跳步填空5-820分注意单位、百分号、最简结果应用9-1240分先找单位“1”或数量关系思维提升13-1420分说明规律或推理过程1.(5分)计算:11/15+7/12×6/7-2/5=()答:____________________________________________________________2.(5分)计算:12.5×4.8×0.25=()答:____________________________________________________________3.(5分)计算:60×(11/12-2/5)+8=()答:____________________________________________________________4.(5分)解方程:x-5/8x=21答:____________________________________________________________5.(5分)甲、乙两数的比是5:6,两数和是99,甲数是()。答:____________________________________________________________6.(5分)一件物品原价160元,先涨价25%,再降价20%,现价是()元。答:____________________________________________________________7.(5分)一个组合图形由半径8厘米的半圆和长10厘米、宽8厘米的长方形拼成,不重叠。它的面积是()平方厘米。(π取3.14)答:____________________________________________________________8.(5分)21和35的最小公倍数是()。答:____________________________________________________________9.(10分)一项工程,甲单独做10天完成,乙单独做25天完成。两人合作,多少天可以完成?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________10.(10分)甲、乙两车从相距300千米的两地同时相向而行,甲车每小时40千米,乙车每小时50千米。几小时后相遇?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________11.(10分)一本书已经读了35%,还剩156页没读。这本书一共有多少页?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________12.(10分)一个圆柱形水杯,底面半径6厘米,高12厘米。若装满水,水的体积约是多少立方厘米?(π取3.14)答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________13.(10分)观察数列:4,9,16,25,36,()。请写出下一项并说明规律。答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________14.(10分)停车场里有自行车和三轮车共35辆,共有94个轮子。自行车和三轮车各有多少辆?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________综合诊断卷4(满分100分,建议70分钟)题型题号分值完成提醒计算1-420分写清关键步骤,避免跳步填空5-820分注意单位、百分号、最简结果应用9-1240分先找单位“1”或数量关系思维提升13-1420分说明规律或推理过程1.(5分)计算:4/9+5/6×3/10-1/12=()答:____________________________________________________________2.(5分)计算:12.5×7.2×0.25=()答:____________________________________________________________3.(5分)计算:96×(5/8-7/24)+12=()答:____________________________________________________________4.(5分)解方程:x-4/9x=30答:____________________________________________________________5.(5分)甲、乙两数的比是2:9,两数和是77,甲数是()。答:____________________________________________________________6.(5分)一件物品原价500元,先涨价10%,再降价20%,现价是()元。答:____________________________________________________________7.(5分)一个组合图形由半径5厘米的半圆和长12厘米、宽5厘米的长方形拼成,不重叠。它的面积是()平方厘米。(π取3.14)答:____________________________________________________________8.(5分)24和36的最小公倍数是()。答:____________________________________________________________9.(10分)一项工程,甲单独做16天完成,乙单独做24天完成。两人合作,多少天可以完成?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________10.(10分)甲、乙两车从相距540千米的两地同时相向而行,甲车每小时60千米,乙车每小时75千米。几小时后相遇?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________11.(10分)一本书已经读了40%,还剩144页没读。这本书一共有多少页?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________12.(10分)一个圆柱形水杯,底面半径3厘米,高15厘米。若装满水,水的体积约是多少立方厘米?(π取3.14)答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________13.(10分)观察数列:5,11,19,29,41,()。请写出下一项并说明规律。答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________14.(10分)停车场里有自行车和三轮车共40辆,共有110个轮子。自行车和三轮车各有多少辆?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________综合诊断卷5(满分100分,建议70分钟)题型题号分值完成提醒计算1-420分写清关键步骤,避免跳步填空5-820分注意单位、百分号、最简结果应用9-1240分先找单位“1”或数量关系思维提升13-1420分说明规律或推理过程1.(5分)计算:13/20+9/16×8/27-1/6=()答:____________________________________________________________2.(5分)计算:12.5×5.6×0.25=()答:____________________________________________________________3.(5分)计算:84×(3/4-2/7)+5=()答:____________________________________________________________4.(5分)解方程:x-3/10x=28答:____________________________________________________________5.(5分)甲、乙两数的比是7:8,两数和是120,甲数是()。答:____________________________________________________________6.(5分)一件物品原价640元,先涨价12.5%,再降价12.5%,现价是()元。答:____________________________________________________________7.(5分)一个组合图形由半径9厘米的半圆和长12厘米、宽9厘米的长方形拼成,不重叠。它的面积是()平方厘米。(π取3.14)答:____________________________________________________________8.(5分)30和45的最小公倍数是()。答:____________________________________________________________9.(10分)一项工程,甲单独做18天完成,乙单独做30天完成。两人合作,多少天可以完成?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________10.(10分)甲、乙两车从相距450千米的两地同时相向而行,甲车每小时52千米,乙车每小时48千米。几小时后相遇?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________11.(10分)一本书已经读了55%,还剩99页没读。这本书一共有多少页?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________12.(10分)一个圆柱形水杯,底面半径7厘米,高6厘米。若装满水,水的体积约是多少立方厘米?(π取3.14)答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________13.(10分)观察数列:6,13,22,33,46,()。请写出下一项并说明规律。答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________14.(10分)停车场里有自行车和三轮车共30辆,共有76个轮子。自行车和三轮车各有多少辆?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________综合诊断卷6(满分100分,建议70分钟)题型题号分值完成提醒计算1-420分写清关键步骤,避免跳步填空5-820分注意单位、百分号、最简结果应用9-1240分先找单位“1”或数量关系思维提升13-1420分说明规律或推理过程1.(5分)计算:3/7+14/15×5/28-1/10=()答:____________________________________________________________2.(5分)计算:12.5×8.8×0.25=()答:____________________________________________________________3.(5分)计算:120×(7/10-3/8)+9=()答:____________________________________________________________4.(5分)解方程:x-5/12x=35答:____________________________________________________________5.(5分)甲、乙两数的比是5:9,两数和是112,甲数是()。答:____________________________________________________________6.(5分)一件物品原价420元,先涨价20%,再降价25%,现价是()元。答:____________________________________________________________7.(5分)一个组合图形由半径10厘米的半圆和长14厘米、宽10厘米的长方形拼成,不重叠。它的面积是()平方厘米。(π取3.14)答:____________________________________________________________8.(5分)27和42的最小公倍数是()。答:____________________________________________________________9.(10分)一项工程,甲单独做20天完成,乙单独做30天完成。两人合作,多少天可以完成?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________10.(10分)甲、乙两车从相距600千米的两地同时相向而行,甲车每小时70千米,乙车每小时80千米。几小时后相遇?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________11.(10分)一本书已经读了25%,还剩180页没读。这本书一共有多少页?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________12.(10分)一个圆柱形水杯,底面半径4厘米,高14厘米。若装满水,水的体积约是多少立方厘米?(π取3.14)答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________13.(10分)观察数列:7,15,25,37,51,()。请写出下一项并说明规律。答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________14.(10分)停车场里有自行车和三轮车共45辆,共有124个轮子。自行车和三轮车各有多少辆?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________综合诊断卷7(满分100分,建议70分钟)题型题号分值完成提醒计算1-420分写清关键步骤,避免跳步填空5-820分注意单位、百分号、最简结果应用9-1240分先找单位“1”或数量关系思维提升13-1420分说明规律或推理过程1.(5分)计算:17/24+4/9×27/32-1/3=()答:____________________________________________________________2.(5分)计算:12.5×9.6×0.25=()答:____________________________________________________________3.(5分)计算:90×(8/15-1/6)+7=()答:____________________________________________________________4.(5分)解方程:x-7/15x=32答:____________________________________________________________5.(5分)甲、乙两数的比是3:10,两数和是91,甲数是()。答:____________________________________________________________6.(5分)一件物品原价360元,先涨价30%,再降价10%,现价是()元。答:____________________________________________________________7.(5分)一个组合图形由半径11厘米的半圆和长13厘米、宽11厘米的长方形拼成,不重叠。它的面积是()平方厘米。(π取3.14)答:____________________________________________________________8.(5分)32和48的最小公倍数是()。答:____________________________________________________________9.(10分)一项工程,甲单独做24天完成,乙单独做36天完成。两人合作,多少天可以完成?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________10.(10分)甲、乙两车从相距480千米的两地同时相向而行,甲车每小时54千米,乙车每小时66千米。几小时后相遇?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________11.(10分)一本书已经读了75%,还剩70页没读。这本书一共有多少页?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________12.(10分)一个圆柱形水杯,底面半径5厘米,高12厘米。若装满水,水的体积约是多少立方厘米?(π取3.14)答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________13.(10分)观察数列:8,17,28,41,56,()。请写出下一项并说明规律。答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________14.(10分)停车场里有自行车和三轮车共36辆,共有100个轮子。自行车和三轮车各有多少辆?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________综合诊断卷8(满分100分,建议70分钟)题型题号分值完成提醒计算1-420分写清关键步骤,避免跳步填空5-820分注意单位、百分号、最简结果应用9-1240分先找单位“1”或数量关系思维提升13-1420分说明规律或推理过程1.(5分)计算:2/3+15/22×11/25-1/6=()答:____________________________________________________________2.(5分)计算:12.5×2.4×0.25=()答:____________________________________________________________3.(5分)计算:108×(5/9-1/4)+10=()答:____________________________________________________________4.(5分)解方程:x-1/4x=45答:____________________________________________________________5.(5分)甲、乙两数的比是4:11,两数和是105,甲数是()。答:____________________________________________________________6.(5分)一件物品原价800元,先涨价15%,再降价20%,现价是()元。答:____________________________________________________________7.(5分)一个组合图形由半径12厘米的半圆和长15厘米、宽12厘米的长方形拼成,不重叠。它的面积是()平方厘米。(π取3.14)答:____________________________________________________________8.(5分)40和56的最小公倍数是()。答:____________________________________________________________9.(10分)一项工程,甲单独做14天完成,乙单独做21天完成。两人合作,多少天可以完成?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________10.(10分)甲、乙两车从相距390千米的两地同时相向而行,甲车每小时42千米,乙车每小时48千米。几小时后相遇?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________11.(10分)一本书已经读了30%,还剩168页没读。这本书一共有多少页?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________12.(10分)一个圆柱形水杯,底面半径6厘米,高9厘米。若装满水,水的体积约是多少立方厘米?(π取3.14)答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________13.(10分)观察数列:9,19,31,45,61,()。请写出下一项并说明规律。答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________14.(10分)停车场里有自行车和三轮车共42辆,共有116个轮子。自行车和三轮车各有多少辆?答:____________________________________________________________答:____________________________________________________________答:____________________________________________________________四、72题专项突破训练本部分用于综合卷后的针对性补强。建议每次选择一个模块,先独立完成8题,再对照答案表订正。应用类题目必须写出关键数量关系;思维类题目必须写出理由。一、计算巧算与数感训练1.计算:37.5×16+62.5×16。答:____________________________________________________________答:____________________________________________________________2.计算:7/9×5/11+7/9×6/11。答:____________________________________________________________答:____________________________________________________________3.计算:999×37+37。答:____________________________________________________________答:____________________________________________________________4.计算:25×1.25×32。答:____________________________________________________________答:____________________________________________________________5.计算:18÷(3/5)-12×5/6。答:____________________________________________________________答:____________________________________________________________6.计算:4.8×7.6+4.8×2.4。答:____________________________________________________________答:____________________________________________________________7.计算:(5/6-1/4)÷7/12。答:____________________________________________________________答:____________________________________________________________8.计算:125×88。答:____________________________________________________________答:____________________________________________________________二、分数、百分数与单位“1”9.某班有48人,其中女生占5/8,女生有多少人?答:____________________________________________________________答:____________________________________________________________10.一件衣服打八折后为160元,原价是多少元?答:____________________________________________________________答:____________________________________________________________11.修一条路,已修3/7,还剩160米,全长多少米?答:____________________________________________________________答:____________________________________________________________12.一个数的25%是36,这个数是多少?答:____________________________________________________________答:____________________________________________________________13.比80多15%的数是多少?答:____________________________________________________________答:____________________________________________________________14.120减少1/6后是多少?答:____________________________________________________________答:____________________________________________________________15.甲数是乙数的4/5,甲数为64,乙数是多少?答:____________________________________________________________答:____________________________________________________________16.含盐率为8%的盐水250克,含盐多少克?答:____________________________________________________________答:____________________________________________________________三、比和比例专项17.甲、乙、丙的比是2:3:5,总数为80,丙是多少?答:____________________________________________________________答:____________________________________________________________18.一幅地图比例尺1:500000,图上4厘米表示实际多少千米?答:____________________________________________________________答:____________________________________________________________19.3支钢笔24元,照这样买8支要多少元?答:____________________________________________________________答:____________________________________________________________20.若a:b=5:7,且a=35,则b是多少?答:____________________________________________________________答:____________________________________________________________21.一项工作,甲乙效率比为3:4,合作完成时甲做了总量的几分之几?答:____________________________________________________________答:____________________________________________________________22.长方形周长48厘米,长宽比5:3,面积是多少?答:____________________________________________________________答:____________________________________________________________23.糖和水按1:9配制糖水,配制500克糖水需要糖多少克?答:____________________________________________________________答:____________________________________________________________24.把72按4:5分成两部分,较大部分是多少?答:____________________________________________________________答:____________________________________________________________四、工程问题专项25.甲12天完成,乙6天完成,合作几天完成?答:____________________________________________________________答:____________________________________________________________26.甲每天完成1/10,乙每天完成1/15,合作3天完成几分之几?答:____________________________________________________________答:____________________________________________________________27.一项工程合作8天完成,甲单独12天完成,乙单独几天完成?答:____________________________________________________________答:____________________________________________________________28.水池进水管6小时注满,排水管9小时排空,同时开几小时注满?答:____________________________________________________________答:____________________________________________________________29.甲乙合作5天完成,甲单独15天完成,乙效率是多少?答:____________________________________________________________答:____________________________________________________________30.一项任务甲做4天完成1/3,甲单独完成需几天?答:____________________________________________________________答:____________________________________________________________31.甲乙合作4天完成2/5,照此合作完成还需几天?答:____________________________________________________________答:____________________________________________________________32.两台机器共同加工,甲每小时40件,乙每小时60件,加工900件需几小时?答:____________________________________________________________答:____________________________________________________________五、行程问题专项33.两车相向而行,相距270千米,速度分别50和40千米/时,几小时相遇?答:____________________________________________________________答:____________________________________________________________34.甲追乙,相距24千米,甲每小时60千米,乙每小时48千米,几小时追上?答:____________________________________________________________答:____________________________________________________________35.一车3小时行195千米,照此速度5小时行多少千米?答:____________________________________________________________答:____________________________________________________________36.小明每分钟80米,12分钟到校,若每分钟96米,几分钟到校?答:____________________________________________________________答:____________________________________________________________37.环形跑道长400米,甲乙同向跑,速度差20米/分,几分钟甲多跑一圈?答:____________________________________________________________答:____________________________________________________________38.客车和货车同时相背而行,2小时后相距260千米,客车70千米/时,货车多少千米/时?答:____________________________________________________________答:____________________________________________________________39.一船顺水速度28千米/时,逆水速度20千米/时,静水速度是多少?答:____________________________________________________________答:____________________________________________________________40.甲走完全程需6小时,乙走完全程需8小时,两人同时从两端出发,几小时相遇?答:____________________________________________________________答:____________________________________________________________六、几何测量专项41.长方体长8厘米、宽5厘米、高3厘米,体积是多少?答:____________________________________________________________答:____________________________________________________________42.圆半径6厘米,面积是多少?π取3.14。答:____________________________________________________________答:____________________________________________________________43.圆柱底面半径4厘米,高10厘米,体积是多少?π取3.14。答:___________________________

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