混合运算练习题姓名：一、细心填一填。1．直接写得数。480+60=1300－400=46+17=81－18=100－46=65+27=93－14=56+34=300+3000=1200－800=47+39=82－35=7505－0=45+36=70－28=27+43=2．计算268＋（721－495），先算（）法，后算（）法。3．二年级有196人，一年级比二年级少42人，一、二年级共有（）人。二、想一想下面算式的计算顺序，然后计算。（在先算的下面划）245＋476＋158＝346－（548－471）＝547－359＋258＝306＋258－247＝715－（482＋159）＝251＋（449－356）＝三、用竖式计算。285＋（923－456）＝394－（785－597）＝912－678＋326＝300－217＋503＝720－325－279＝679＋（567－123）＝四、在○里填上“＞”“＜”或“＝”。382＋237＋138○547＋242297○476－289578＋385○984－158724－396＋175○548－59956○748＋226353－156○198五、解决问题。1．学校举行为困难地区小朋友捐款的活动。二年级一共捐款435元，三年级比二年级多捐了78元。两个年级一共捐款多少元？2．百货商店有428台洗衣机，第一个月卖了146台，之后又运来205台，现在有多少台？3．图书室第一周借出280本书，第二周借出342本，还剩259本。图书室原来有多少本书？4．中心小学二年级植树106棵，三年级比二年级多植树25棵，四年级植树150棵，四年级比三年级多植树多少棵？choosewaterfountains,water-savingproductsshouldbepurchased.Ascomparedtoopenv-Groovetypewatersupplysystem,sealednipplewatersystemcansavewater81.35%savingbeddingconsumption56.3%;sanitationanddrinkingwater,andavarietyofharmfulgasesconcentrationsdecline,increasedlayingrate13.79%,economicefficiencyimproved.ChickenCoopconstructionshouldpayattentiontoseveralproblems,chickendistributionnotes:arationalstructureofthehen-houselayout,canprovideagoodenvironmentforchicken,makingitsfullproductivepotential,sootherthaninunderstandingthephysiologicalcharacteristicsofthechickenitself,andmustbeproperlyplannedandconstructedsheds.1.sitestochooseawayfrompopulatedareas,trafficconvenient,awayfromtheroad2.Gaozaoterrain,alotofsunshine.Wintersunaspossible,summerwind,andnotaftertherainwater.Larger,leavingroomfordevelopment3.Abundantwaterresourcespollution-free,easytoaccess,sufficientpowerisguaranteed4.Buildingstructure,theeconomy,savingmoney,andsavingenergy,itisfacinginaccordancewithlocalenvironmentalandphysiologicalcondition,lightingisgood,easytoventilation,easytooperate,soconducivetocoolinginthesummer,toinsulationinwintercold5.Layoutofpremisesshouldbereasonable,dodistinguishbetweenproductionandnon-productionareasandnon-productionareasandwatersourcesareonachickenfarminthewind,netroadanddirtroadseparatinguncrossed,dungfarmislocatedinthe\n5．一根绳子长358米，第一次用去147米，第二次用去108米，还剩多少米？6．爷爷今天上午卖出一串红120盆，下午卖出一串红96盆，卖出的月季比一串红多84盆，菊花比一串红少57盆。（1）月季卖出多少盆？（2）菊花卖出多少盆？7、田径队有男生29人，女生25人。合唱队比田径队多26人。合唱队有多少人？8、同学们去郊游，一年级去了97人，二年级去了105人，三年级去的人数比一二年级的总数少18人，三年级去了多少人？9.下面是李立上星期每天在学校参加体育活动的时间记录表。星期星期一星期二星期三星期四星期五时间55分70分50分（）分（）分他星期四体育活动的时间比星期二少5分，星期五体育活动的时间比星期三多15分。xkb1.com（1）分别算出李立星期四和星期五体育活动的时间，填入表中。（2）上星期的5天中，李立有（）天体育活动的时间超过1小时。剩下的页数是已看页数的4倍。10.王勇看一本故事书，已经看了18页。（1）还有多少页没有看？（2）这本书一共有多少页？图书角还剩多少本书？11.二（1）班图书角原来有263本课外书，男生借走46本幼儿园有84名儿童，发给每人一个苹果。12.还剩多少个苹果？choosewaterfountains,water-savingproductsshouldbepurchased.Ascomparedtoopenv-Groovetypewatersupplysystem,sealednipplewatersystemcansavewater81.35%savingbeddingconsumption56.3%;sanitationanddrinkingwater,andavarietyofharmfulgasesconcentrationsdecline,increasedlayingrate13.79%,economicefficiencyimproved.ChickenCoopconstructionshouldpayattentiontoseveralproblems,chickendistributionnotes:arationalstructureofthehen-houselayout,canprovideagoodenvironmentforchicken,makingitsfullproductivepotential,sootherthaninunderstandingthephysiologicalcharacteristicsofthechickenitself,andmustbeproperlyplannedandconstructedsheds.1.sitestochooseawayfrompopulatedareas,trafficconvenient,awayfromtheroad2.Gaozaoterrain,alotofsunshine.Wintersunaspossible,summerwind,andnotaftertherainwater.Larger,leavingroomfordevelopment3.Abundantwaterresourcespollution-free,easytoaccess,sufficientpowerisguaranteed4.Buildingstructure,theeconomy,savingmoney,andsavingenergy,itisfacinginaccordancewithlocalenvironmentalandphysiologicalcondition,lightingisgood,easytoventilation,easytooperate,soconducivetocoolinginthesummer,toinsulationinwintercold5.Layoutofpremisesshouldbereasonable,dodistinguishbetweenproductionandnon-productionareasandnon-productionareasandwatersourcesareonachickenfarminthewind,netroadanddirtroadseparatinguncrossed,dungfarmislocatedinthe\n1.二、三年级看演出，一年级去90人，二年级100人，三年级和二年级同样多，全场有300个座位够吗？2.一本书，第一个星期看了130页，第二年星期看了80页，还剩下50页这本书共有多少页？3.有三种鸡，白鸡120只，黄鸡比白鸡多30只，黑鸡比黄鸡多50只，黑鸡有多少只？4.图书馆有科技书20本，故事书比科技书多50本，科技书和故事书一共有多少本？5.自行车350元，电话机比自行车便宜70元，电风扇比电话机贵50元，电风扇多少钱？6.二年级男生150人，女生有110人，一年级有370人，一年级比二年级多多少人？7.有1根电线长900米，上午用去270米，下午用去340米，还剩多少米？（两种方法）8.二年级有男生150人，女生100人，一年级比二年级少40人，一年级有多少人？9.一年级有370人，二年级比一年级少30人，一年级和二年级共多少人？10.果园里苹果树130棵，梨树120棵，桃树的棵数比苹果与梨树棵树的总数少110棵，桃树有多少棵？11.商店里原有衣服380套，卖出290套，又购进170套，现在有多少套？12.复读机170元，游戏机200元，付400元，应找回多少钱？13.小明身高110厘米，张云比小明高20厘米，小林比张云矮30厘米，小林身高多少厘米？14.玩具汽车185元，玩具飞机139元，玩具轮船88元，300元能买哪两件玩具？还剩多少钱？choosewaterfountains,water-savingproductsshouldbepurchased.Ascomparedtoopenv-Groovetypewatersupplysystem,sealednipplewatersystemcansavewater81.35%savingbeddingconsumption56.3%;sanitationanddrinkingwater,andavarietyofharmfulgasesconcentrationsdecline,increasedlayingrate13.79%,economicefficiencyimproved.ChickenCoopconstructionshouldpayattentiontoseveralproblems,chickendistributionnotes:arationalstructureofthehen-houselayout,canprovideagoodenvironmentforchicken,makingitsfullproductivepotential,sootherthaninunderstandingthephysiologicalcharacteristicsofthechickenitself,andmustbeproperlyplannedandconstructedsheds.1.sitestochooseawayfrompopulatedareas,trafficconvenient,awayfromtheroad2.Gaozaoterrain,alotofsunshine.Wintersunaspossible,summerwind,andnotaftertherainwater.Larger,leavingroomfordevelopment3.Abundantwaterresourcespollution-free,easytoaccess,sufficientpowerisguaranteed4.Buildingstructure,theeconomy,savingmoney,andsavingenergy,itisfacinginaccordancewithlocalenvironmentalandphysiologicalcondition,lightingisgood,easytoventilation,easytooperate,soconducivetocoolinginthesummer,toinsulationinwintercold5.Layoutofpremisesshouldbereasonable,dodistinguishbetweenproductionandnon-productionareasandnon-productionareasandwatersourcesareonachickenfarminthewind,netroadanddirtroadseparatinguncrossed,dungfarmislocatedinthe\n1.同学们擦6间教室的窗户，每间教室有4扇窗户，已经擦了10扇，还剩多少扇没擦？2.跳绳比赛，第一队有6组，每组5人，第二队有40人，每一队和第二队一共有几个？第一队比第二队少几人？3.每张纸可写9个大字，小明再写2个字就写满3张，小明一共写了多少个大字？4.绘画组有4组，每组8人，书法组比绘画组少12人，书法组有多少人？5.果园里桃树有4行，梨树有5行，苹果树是桃树和梨树总数的2倍，苹果树有多少行？6.3月份有4个星期零3天，请问3月份有多少天？7.有3群小兔，每群3只，如果每只小兔吃2个萝卜，一共多少个萝卜？8.有54本书，平均分给9个小组，每个小组有3人，每人可以分到几本书？9.有2盒鸡蛋，每盒4个，鸟蛋的数量是鸡蛋的3倍，鸟蛋有几个？10.体操队有8组女生，每组3人，男生有6人，女生的人数是男生的几倍？11.小明买了2只玩具熊，每只8元，如果改买4元一只的玩具小狗，可以买几只？12.停车场有6辆大汽车，小汽车的辆数是大汽车的4倍。如果每行可以停8辆车，小汽车需要停几行？13.5个教室需要装20个电风扇，7个教室要装多少个电风扇？14.有4箱矿泉水，每箱6瓶，把这些饮料平均分给3个小组，每个小组可以分到几瓶？15.一瓶药有30片，每天吃3次，每次吃2片，可以吃几天？16.苹果24个，梨6个，平均分给6个人，每人几个？17.有50个面包，吃掉8个，其余平均分给7个班，每班几个？choosewaterfountains,water-savingproductsshouldbepurchased.Ascomparedtoopenv-Groovetypewatersupplysystem,sealednipplewatersystemcansavewater81.35%savingbeddingconsumption56.3%;sanitationanddrinkingwater,andavarietyofharmfulgasesconcentrationsdecline,increasedlayingrate13.79%,economicefficiencyimproved.ChickenCoopconstructionshouldpayattentiontoseveralproblems,chickendistributionnotes:arationalstructureofthehen-houselayout,canprovideagoodenvironmentforchicken,makingitsfullproductivepotential,sootherthaninunderstandingthephysiologicalcharacteristicsofthechickenitself,andmustbeproperlyplannedandconstructedsheds.1.sitestochooseawayfrompopulatedareas,trafficconvenient,awayfromtheroad2.Gaozaoterrain,alotofsunshine.Wintersunaspossible,summerwind,andnotaftertherainwater.Larger,leavingroomfordevelopment3.Abundantwaterresourcespollution-free,easytoaccess,sufficientpowerisguaranteed4.Buildingstructure,theeconomy,savingmoney,andsavingenergy,itisfacinginaccordancewithlocalenvironmentalandphysiologicalcondition,lightingisgood,easytoventilation,easytooperate,soconducivetocoolinginthesummer,toinsulationinwintercold5.Layoutofpremisesshouldbereasonable,dodistinguishbetweenproductionandnon-productionareasandnon-productionareasandwatersourcesareonachickenfarminthewind,netroadanddirtroadseparatinguncrossed,dungfarmislocatedinthe\nchoosewaterfountains,water-savingproductsshouldbepurchased.Ascomparedtoopenv-Groovetypewatersupplysystem,sealednipplewatersystemcansavewater81.35%savingbeddingconsumption56.3%;sanitationanddrinkingwater,andavarietyofharmfulgasesconcentrationsdecline,increasedlayingrate13.79%,economicefficiencyimproved.ChickenCoopconstructionshouldpayattentiontoseveralproblems,chickendistributionnotes:arationalstructureofthehen-houselayout,canprovideagoodenvironmentforchicken,makingitsfullproductivepotential,sootherthaninunderstandingthephysiologicalcharacteristicsofthechickenitself,andmustbeproperlyplannedandconstructedsheds.1.sitestochooseawayfrompopulatedareas,trafficconvenient,awayfromtheroad2.Gaozaoterrain,alotofsunshine.Wintersunaspossible,summerwind,andnotaftertherainwater.Larger,leavingroomfordevelopment3.Abundantwaterresourcespollution-free,easytoaccess,sufficientpowerisguaranteed4.Buildingstructure,theeconomy,savingmoney,andsavingenergy,itisfacinginaccordancewithlocalenvironmentalandphysiologicalcondition,lightingisgood,easytoventilation,easytooperate,soconducivetocoolinginthesummer,toinsulationinwintercold5.Layoutofpremisesshouldbereasonable,dodistinguishbetweenproductionandnon-productionareasandnon-productionareasandwatersourcesareonachickenfarminthewind,netroadanddirtroadseparatinguncrossed,dungfarmislocatedinthe