2026秋小学数学一升二年级（加减混合两步应用题）暑假专项提升训练16天

2026秋小学数学一升二年级（加减混合两步应用题）暑假专项提升训练16天第一天基础入门：生活简单加减混合应用题（一）训练重点：掌握最基础的“先加后减、先减后加”两步应用题，读懂简单生活情境，初步梳理数量关系。1、家里冰箱里有18个鸡蛋，妈妈又买回来12个，做饭用掉9个，现在冰箱里还有多少个鸡蛋？（做题空白处）__________________________________________________________________________________________________________________________________2、小区广场原来有25个小朋友在玩耍，先走了8个小朋友，又跑来10个小朋友，现在广场上有多少个小朋友？（做题空白处）__________________________________________________________________________________________________________________________________3、文具盒里有30支铅笔，上课发给同学11支，下课老师又收回6支，现在文具盒里有多少支铅笔？（做题空白处）__________________________________________________________________________________________________________________________________4、树上有22只小鸟，飞走了7只，又飞来了13只，现在树上一共有多少只小鸟？（做题空白处）__________________________________________________________________________________________________________________________________5、超市货架上有27瓶牛奶，上午卖出10瓶，下午又补货15瓶，现在货架上有多少瓶牛奶？（做题空白处）__________________________________________________________________________________________________________________________________6、小明有35张卡通贴纸，送给同桌12张，妈妈又给他买了8张，小明现在有多少张贴纸？（做题空白处）__________________________________________________________________________________________________________________________________7、公交车上原来有28名乘客，到站下去9人，又上来11人，现在车上有多少名乘客？（做题空白处）__________________________________________________________________________________________________________________________________8、班级图书角有40本课外书，同学们借走14本，老师又新买了9本，图书角现在有多少本书？（做题空白处）__________________________________________________________________________________________________________________________________9、鱼缸里有16条小鱼，捞走5条，又放进7条新小鱼，鱼缸现在有多少条小鱼？（做题空白处）__________________________________________________________________________________________________________________________________10、草地上有32朵小花，被风吹落6朵，又新开了10朵，现在草地上有多少朵小花？（做题空白处）__________________________________________________________________________________________________________________________________第二天基础入门：生活简单加减混合应用题（二）训练重点：巩固两步加减基础题型，区分“增加、减少”数量变化，熟练列两步算式。1、小红有26块橡皮，借给同学8块，爸爸又给她买了10块，小红现在有多少块橡皮？（做题空白处）__________________________________________________________________________________________________________________________________2、操场上有33个篮球，体育课用了12个，课后同学又放回7个，现在操场上有多少个篮球？（做题空白处）__________________________________________________________________________________________________________________________________3、文具店有45本练习本，上午卖出13本，下午又运来11本，现在文具店有多少本练习本？（做题空白处）__________________________________________________________________________________________________________________________________4、池塘里有20只鸭子，游走了6只，又游来了9只，现在池塘里有多少只鸭子？（做题空白处）__________________________________________________________________________________________________________________________________5、小刚攒了38元零花钱，买文具花了15元，奶奶又给了他7元，小刚现在有多少零花钱？（做题空白处）__________________________________________________________________________________________________________________________________6、教室墙上有29幅绘画作品，取下10幅更换新作品，又贴上8幅新画，现在墙上有多少幅画？（做题空白处）__________________________________________________________________________________________________________________________________7、果园里有36个桃子，摘掉11个，又成熟了9个，现在树上有多少个桃子？（做题空白处）__________________________________________________________________________________________________________________________________8、书包里有42张试卷，做完16张，妈妈又打印了8张，书包里现在有多少张试卷？（做题空白处）__________________________________________________________________________________________________________________________________9、花园里有19只蝴蝶，飞走4只，又飞来6只，现在花园里有多少只蝴蝶？（做题空白处）__________________________________________________________________________________________________________________________________10、停车场有24辆小汽车，开走9辆，又开来12辆，现在停车场有多少辆小汽车？（做题空白处）__________________________________________________________________________________________________________________________________第三天基础巩固：校园场景加减混合应用题训练重点：聚焦校园生活场景，强化审题能力，熟练掌握两步加减混合运算解题逻辑。1、一年级一班有48名同学，体育课外出15人，又有8名同学回教室休息，现在教室里有多少名同学？（做题空白处）__________________________________________________________________________________________________________________________________2、学校器材室有50根跳绳，借给二班18根，还回来9根，器材室现在有多少根跳绳？（做题空白处）__________________________________________________________________________________________________________________________________3、班级有36把扫帚，坏掉7把，老师又买来10把，现在班级有多少把扫帚？（做题空白处）__________________________________________________________________________________________________________________________________4、美术课上有28盒彩笔，12名同学用完归还后，又借出8盒，现在还有多少盒彩笔？（做题空白处）__________________________________________________________________________________________________________________________________5、学校宣传栏有42条文明标语，换掉13条旧标语，新增11条新标语，现在宣传栏有多少条标语？（做题空白处）__________________________________________________________________________________________________________________________________6、课间有31名同学跳绳，10名同学去踢毽子，又有7名同学加入跳绳，现在跳绳的同学有多少名？（做题空白处）__________________________________________________________________________________________________________________________________7、学校花坛有25盆绿萝，搬走6盆，又买来14盆，现在花坛有多少盆绿萝？（做题空白处）__________________________________________________________________________________________________________________________________8、教室储物柜有44个水杯，拿走17个清洗，放回9个干净水杯，现在储物柜有多少个水杯？（做题空白处）__________________________________________________________________________________________________________________________________9、一年级有52套校服，借出16套，收回12套，现在有多少套校服？（做题空白处）__________________________________________________________________________________________________________________________________10、班级书架有39本故事书，借出14本，老师新增8本，现在书架有多少本故事书？（做题空白处）__________________________________________________________________________________________________________________________________第四天基础巩固：购物消费场景加减混合应用题训练重点：结合购物场景，培养量感，理解“支出、收入、剩余”数量关系，规范答题。1、小明带50元去超市，买零食花了18元，妈妈又给了他10元，小明现在有多少钱？（做题空白处）__________________________________________________________________________________________________________________________________2、一支商店有60块橡皮，上午卖出22块，下午进货15块，现在商店有多少块橡皮？（做题空白处）__________________________________________________________________________________________________________________________________3、小红有45元零花钱，买笔记本花了12元，帮妈妈做家务赚了8元，小红现在有多少元？（做题空白处）__________________________________________________________________________________________________________________________________4、水果店有58个苹果，卖出20个，又进货13个，现在水果店有多少个苹果？（做题空白处）__________________________________________________________________________________________________________________________________5、小亮带65元买玩具，买积木花了25元，爷爷又奖励他12元，小亮现在有多少钱？（做题空白处）__________________________________________________________________________________________________________________________________6、文具店有70支圆珠笔，卖出26支，补货18支，现在有多少支圆珠笔？（做题空白处）__________________________________________________________________________________________________________________________________7、小芳有52元，买水彩笔花了19元，收到压岁钱10元，小芳现在有多少元？（做题空白处）__________________________________________________________________________________________________________________________________8、超市有68袋饼干，上午卖出23袋，下午运来16袋，现在有多少袋饼干？（做题空白处）__________________________________________________________________________________________________________________________________9、小东有40元，买跳绳花了9元，爸爸又给了他11元，小东现在有多少元？（做题空白处）__________________________________________________________________________________________________________________________________10、面包店有55个面包，卖出21个，又制作14个，现在面包店有多少个面包？（做题空白处）__________________________________________________________________________________________________________________________________第五天变式提升：先加后减专项应用题训练重点：专项突破“先增加、后减少”两步题型，固定解题逻辑，杜绝审题混乱。1、草地上原来有21只小羊，又跑来15只小羊，后来走了8只，现在草地上有多少只小羊？（做题空白处）__________________________________________________________________________________________________________________________________2、小明书架上有24本书，妈妈又给他买了13本，他借给同学9本，现在书架上有多少本书？（做题空白处）__________________________________________________________________________________________________________________________________3、池塘里有17条金鱼，又放入12条，捞走6条，现在池塘里有多少条金鱼？（做题空白处）__________________________________________________________________________________________________________________________________4、班级有29名男生，新来4名男生转学生，放学有7名男生提前离校，现在班里有多少名男生？（做题空白处）__________________________________________________________________________________________________________________________________5、树上有19个苹果，又长出11个，摘掉10个，现在树上有多少个苹果？（做题空白处）__________________________________________________________________________________________________________________________________6、文具袋里有23块橡皮，妈妈又放进去8块，送给弟弟5块，现在文具袋里有多少块橡皮？（做题空白处）__________________________________________________________________________________________________________________________________7、停车场有26辆电动车，又开来9辆，开走7辆，现在停车场有多少辆电动车？（做题空白处）__________________________________________________________________________________________________________________________________8、小红有30张画片，姐姐又送给她12张，她送给同学11张，小红现在有多少张画片？（做题空白处）__________________________________________________________________________________________________________________________________9、教室有32张课桌，新增6张课桌，搬走4张旧课桌，现在教室有多少张课桌？（做题空白处）__________________________________________________________________________________________________________________________________10、花园有27朵玫瑰花，新开8朵，凋谢5朵，现在花园有多少朵玫瑰花？（做题空白处）__________________________________________________________________________________________________________________________________第六天变式提升：先减后加专项应用题训练重点：专项突破“先减少、后增加”两步题型，区分两种加减混合题型，熟练灵活解题。1、书包里有34本练习本，拿走10本，又放进7本，现在书包里有多少本练习本？（做题空白处）__________________________________________________________________________________________________________________________________2、天空中有25只鸽子，飞走9只，又飞来12只，现在天空中有多少只鸽子？（做题空白处）__________________________________________________________________________________________________________________________________3、商店有41个笔记本，卖出15个，又进货9个，现在商店有多少个笔记本？（做题空白处）__________________________________________________________________________________________________________________________________4、小明有37颗糖果，吃掉13颗，妈妈又给他10颗，小明现在有多少颗糖果？（做题空白处）__________________________________________________________________________________________________________________________________5、操场有38个足球，借走16个，还回8个，现在操场有多少个足球？（做题空白处）__________________________________________________________________________________________________________________________________6、鱼缸有29条小鱼，送走7条，又买来11条，现在鱼缸有多少条小鱼？（做题空白处）__________________________________________________________________________________________________________________________________7、小红有42支彩笔，用掉14支，爸爸又买6支，小红现在有多少支彩笔？（做题空白处）__________________________________________________________________________________________________________________________________8、小区有33个健身器材，损坏5个，新增9个，现在小区有多少个健身器材？（做题空白处）__________________________________________________________________________________________________________________________________9、书店有46本童话书，卖出18本，补货12本，现在书店有多少本童话书？（做题空白处）__________________________________________________________________________________________________________________________________10、田里有31棵青菜，拔掉8棵，又种7棵，现在田里有多少棵青菜？（做题空白处）__________________________________________________________________________________________________________________________________第七天变式拓展：数字稍大加减混合应用题训练重点：适度增大数字，锻炼计算能力，巩固两步解题思路，提升准确率。1、仓库里有62箱文具，运走25箱，又运来18箱，现在仓库有多少箱文具？（做题空白处）__________________________________________________________________________________________________________________________________2、一年级有75名学生，转学走12名，新转入15名，现在一年级有多少名学生？（做题空白处）__________________________________________________________________________________________________________________________________3、水果店有83个橙子，卖出36个，又进货22个，现在水果店有多少个橙子？（做题空白处）__________________________________________________________________________________________________________________________________4、小亮有68张卡片，送给同学29张，妈妈又给他17张，小亮现在有多少张卡片？（做题空白处）__________________________________________________________________________________________________________________________________5、公交车总站有90辆公交车，开出38辆，开回24辆，现在总站有多少辆公交车？（做题空白处）__________________________________________________________________________________________________________________________________6、图书馆有76本漫画书，借出31本，归还19本，现在图书馆有多少本漫画书？（做题空白处）__________________________________________________________________________________________________________________________________7、家里有85斤大米，吃掉33斤，又买来26斤，现在家里有多少斤大米？（做题空白处）__________________________________________________________________________________________________________________________________8、玩具店有92个玩具车，卖出45个，补货28个，现在玩具店有多少个玩具车？（做题空白处）__________________________________________________________________________________________________________________________________9、花园有69盆鲜花，搬走27盆，新增21盆，现在花园有多少盆鲜花？（做题空白处）__________________________________________________________________________________________________________________________________10、储蓄罐里有78元，取出34元，又存入20元，储蓄罐现在有多少元？（做题空白处）__________________________________________________________________________________________________________________________________第八天情境拓展：自然与生活综合应用题训练重点：丰富题目情境，提升审题理解能力，灵活运用两步加减混合解题。1、山上有45棵松树，砍伐12棵，又栽种18棵，现在山上有多少棵松树？（做题空白处）__________________________________________________________________________________________________________________________________2、小河里有36条小鱼，游走11条，又游来15条，现在小河里有多少条小鱼？（做题空白处）__________________________________________________________________________________________________________________________________3、田地里有50个西瓜，摘下16个，又成熟9个，现在田里有多少个西瓜？（做题空白处）__________________________________________________________________________________________________________________________________4、树林里有28只小兔子，跑掉7只，又跑来10只，现在树林里有多少只小兔子？（做题空白处）__________________________________________________________________________________________________________________________________5、花盆里有33朵小花，枯萎8朵，新开12朵，现在花盆里有多少朵小花？（做题空白处）__________________________________________________________________________________________________________________________________6、果园里有42棵梨树，死掉5棵，新栽13棵，现在果园有多少棵梨树？（做题空白处）__________________________________________________________________________________________________________________________________7、草地上有39只蚂蚱，飞走9只，又飞来6只，现在草地上有多少只蚂蚱？（做题空白处）__________________________________________________________________________________________________________________________________8、池塘里有48片荷叶，凋零14片，长出11片新荷叶，现在池塘有多少片荷叶？（做题空白处）__________________________________________________________________________________________________________________________________9、果树上有35个李子，摘掉10个，又长出8个，现在树上有多少个李子？（做题空白处）__________________________________________________________________________________________________________________________________10、花丛中有41只蜜蜂，飞走12只，又飞来9只，现在花丛中有多少只蜜蜂？（做题空白处）__________________________________________________________________________________________________________________________________第九天易错专项：易混淆情境加减混合应用题训练重点：针对一年级高频易错题型，区分相近情境，规避审题错误，强化细节答题。1、小明有25支铅笔，送给弟弟6支，又买来9支，小明现在的铅笔比原来多多少支？（先求现在数量再对比）（做题空白处）__________________________________________________________________________________________________________________________________2、超市有32瓶可乐，卖出13瓶，又运来15瓶，现在可乐数量比原来多还是少？多多少？（做题空白处）__________________________________________________________________________________________________________________________________3、班级有38名同学，出去10名，进来8名，现在班级人数和原来相比变化了多少？（做题空白处）__________________________________________________________________________________________________________________________________4、树上有27只小鸟，飞来11只，飞走14只，现在树上还有多少只小鸟？（做题空白处）__________________________________________________________________________________________________________________________________5、小红有40块积木，拼玩具用掉12块，妈妈又买来10块，小红现在有多少块积木？（做题空白处）__________________________________________________________________________________________________________________________________6、停车场有29辆车，开来13辆，开走16辆，现在停车场有多少辆车？（做题空白处）__________________________________________________________________________________________________________________________________7、文具店有35把尺子，卖出9把，补货7把，现在尺子数量比原来少多少把？（做题空白处）__________________________________________________________________________________________________________________________________8、鱼缸有24条小鱼，新增8条，送走10条，现在鱼缸有多少条小鱼？（做题空白处）__________________________________________________________________________________________________________________________________9、小明攒了43元，花掉18元，又收到15元红包，小明现在有多少元？（做题空白处）__________________________________________________________________________________________________________________________________10、花园有31朵菊花，凋谢7朵，新开9朵，现在花园有多少朵菊花？（做题空白处）__________________________________________________________________________________________________________________________________第十天中期综合：基础题型混合训练训练重点：整合前9天所学题型，随机混合先加后减、先减后加，锻炼灵活解题能力。1、家里有28个橘子，吃掉9个，又买回来12个，现在家里有多少个橘子？（做题空白处）__________________________________________________________________________________________________________________________________2、操场有34名同学跑步，又来了8名同学，走了11名同学，现在有多少名同学跑步？（做题空白处）__________________________________________________________________________________________________________________________________3、书店有47本绘本，借出15本，归还10本，现在书店有多少本绘本？（做题空白处）__________________________________________________________________________________________________________________________________4、小红有32个头绳，弄丢6个，妈妈又买8个，小红现在有多少个头绳？（做题空白处）__________________________________________________________________________________________________________________________________5、果园有39颗樱桃树，砍掉5颗，栽种7颗，现在果园有多少颗樱桃树？（做题空白处）__________________________________________________________________________________________________________________________________6、公交车上有31人，下车10人，上车13人，现在车上有多少人？（做题空白处）__________________________________________________________________________________________________________________________________7、文具店有43支钢笔，卖出14支，进货9支，现在文具店有多少支钢笔？（做题空白处）__________________________________________________________________________________________________________________________________8、草地上有26只蝴蝶，飞来9只，飞走7只，现在草地上有多少只蝴蝶？（做题空白处）__________________________________________________________________________________________________________________________________9、小明有36本课外书，借给同学11本，又新买7本，现在小明有多少本课外书？（做题空白处）__________________________________________________________________________________________________________________________________10、池塘有30只青蛙，跳走8只，跳来6只，现在池塘有多少只青蛙？（做题空白处）__________________________________________________________________________________________________________________________________第十一天进阶提升：多条件生活化应用题训练重点：题目增加文字信息量，锻炼学生提取有效数学条件的能力，贴合新课标应用意识培养要求。1、周末妈妈买了42个桃子和15个李子，吃掉18个桃子，又买了9个桃子，现在家里有多少个桃子？（做题空白处）__________________________________________________________________________________________________________________________________2、学校组织活动，一年级派出36名男生和28名女生，活动结束有19名同学提前返回，又有12名同学加入队伍，现在活动现场有多少名一年级同学？（做题空白处）__________________________________________________________________________________________________________________________________3、文具店上午卖出22本练习本，下午卖出13本练习本，店里原本有65本，晚上又补货17本，现在文具店有多少本练习本？（做题空白处）__________________________________________________________________________________________________________________________________4、小明周一做了18道数学题，周二做了14道，周三改错8道错题，老师又布置11道新题，小明现在一共完成多少道数学题？（做题空白处）__________________________________________________________________________________________________________________________________5、公园里有40棵杨树和25棵柳树，春天移栽16棵杨树，又新种12棵杨树，现在公园里有多少棵杨树？（做题空白处）__________________________________________________________________________________________________________________________________6、公交车始发站上来29名乘客，中途第一站下去11人，上来8人，第二站又上来9人，现在车上有多少名乘客？（做题空白处）__________________________________________________________________________________________________________________________________7、小红有38张语文卡片和24张数学卡片，送给同学16张语文卡片，姐姐又给她7张语文卡片，小红现在有多少张语文卡片？（做题空白处）__________________________________________________________________________________________________________________________________8、超市上午进货53袋零食，下午卖出27袋，晚上又进货19袋，现在超市有多少袋零食？（做题空白处）__________________________________________________________________________________________________________________________________9、班级图书角有45本故事书和32本科技书，同学们借走18本故事书，老师新增10本故事书，现在图书角有多少本故事书？（做题空白处）__________________________________________________________________________________________________________________________________10、鱼缸里有33条红金鱼和19条黑金鱼，捞走14条红金鱼，又放入9条红金鱼，现在鱼缸有多少条红金鱼？（做题空白处）__________________________________________________________________________________________________________________________________第十二天进阶提升：数量对比型应用题训练重点：结合数量对比，深化两步加减运算应用，培养学生有序思考、对比分析的数学思维。1、小明有46颗糖果，吃掉17颗，又买来12颗，现在小明的糖果比原来少多少颗？（做题空白处）__________________________________________________________________________________________________________________________________2、超市有58箱牛奶，卖出29箱，补货21箱，现在牛奶数量比原来多多少箱？（做题空白处）__________________________________________________________________________________________________________________________________3、操场上有52名同学，18名同学去教室，又有13名同学来操场，现在操场人数和原来相差多少人？（做题空白处）__________________________________________________________________________________________________________________________________4、小红有39支彩笔，用掉15支，爸爸又买11支，小红现在有多少支彩笔？比原来少几支？（做题空白处）__________________________________________________________________________________________________________________________________5、果园有63个梨，摘掉28个，又成熟16个，现在果园有多少个梨？比原来多还是少？（做题空白处）__________________________________________________________________________________________________________________________________6、停车场有47辆汽车，开走22辆，开来18辆，现在停车场有多少辆汽车？比原来少几辆？（做题空白处）__________________________________________________________________________________________________________________________________7、文具店有51本笔记本，卖出23本，进货19本，现在笔记本数量和原来相比差多少本？（做题空白处）__________________________________________________________________________________________________________________________________8、小明储蓄罐有64元，取出25元，存入18元，现在储蓄罐有多少元？比原来少多少元？（做题空白处）__________________________________________________________________________________________________________________________________9、花园有44盆花，搬走19盆，新增15盆，现在花园有多少盆花？数量变化了多少？（做题空白处）__________________________________________________________________________________________________________________________________10、图书馆有59本故事书，借出24本，归还20本，现在有多少本？比原来多几本？（做题空白处）__________________________________________________________________________________________________________________________________第十三天进阶综合：校园生活高频应用题训练重点：聚焦二年级衔接高频校园题型，强化两步解题熟练度，规范答题格式。1、一年级二班有54名同学，上体育课走了21人，音乐课又有13名同学返回教室，现在教室里有多少名同学？（做题空白处）__________________________________________________________________________________________________________________________________2、学校器材室有66个篮球，借给各班28个，课后归还19个，现在器材室有多少个篮球？（做题空白处）__________________________________________________________________________________________________________________________________3、班级采购72本作业本，发给同学35本，老师又补发16本，现在班级有多少本作业本？（做题空白处）__________________________________________________________________________________________________________________________________4、学校宣传栏张贴81张学生作品，取下34张旧作品，新增22张新作品，现在宣传栏有多少张作品？（做题空白处）__________________________________________________________________________________________________________________________________5、课间活动有49名同学踢毽子，17名同学去跳绳，又有12名同学加入踢毽子，现在踢毽子的同学有多少名？（做题空白处）__________________________________________________________________________________________________________________________________6、学校花坛摆放68盆绿植，搬走29盆更换，又买来23盆新绿植，现在花坛有多少盆绿植？（做题空白处）__________________________________________________________________________________________________________________________________7、教室储物柜存放75个文具套装，拿走31个分给学生，放回18个剩余套装，现在储物柜有多少个文具套装？（做题空白处）__________________________________________________________________________________________________________________________________8、一年级有80套运动服，借出36套，收回27套，现在学校有多少套一年级运动服？（做题空白处）__________________________________________________________________________________________________________________________________9、班级书架有63本课外书，借出28本，老师新增15本，现在书架有多少本课外书？（做题空白处）__________________________________________________________________________________________________________________________________10、美术室有57盒彩泥，用掉22盒，补充17盒，现在美术室有多少盒彩泥？（做题空白处）__________________________________________________________________________________________________________________________________第十四天进阶综合：购物理财专项应用题训练重点：结合生活理财场景，强化量感培养，熟练解决含金额的两步加减问题。1、小明带80元去文具店，买书包花了35元，奶奶又给了他18元，小明现在有多少钱？（做题空白处）__________________________________________________________________________________________________________________________________2、文具店有95支中性笔，卖出42支，进货26支，现在文具店有多少支中性笔？（做题空白处）__________________________________________________________________________________________________________________________________3、小红有76元零花钱，买绘本花了29元，帮爸爸做家务赚了14元，小红现在有多少元？（做题空白处）__________________________________________________________________________________________________________________________________4、水果店有92个香蕉，卖出38个，又进货25个，现在水果店有多少个香蕉？（做题空白处）__________________________________________________________________________________________________________________________________5、小亮带100元买玩具，买遥控车花了46元，爷爷奖励他22元，小亮现在有多少钱？（做题空白处）__________________________________________________________________________________________________________________________________6、超市有88袋薯片，上午卖出39袋，下午运来24袋，现在超市有多少袋薯片？（做题空白处）__________________________________________________________________________________________________________________________________7、小芳有82元，买画笔花了33元，收到节日红包16元，小芳现在有多少元？（做题空白处）__________________________________________________________________________________________________________________________________8、面包店有79个吐司，卖出41个，新制作28个，现在面包店有多少个吐司？（做题空白处）__________________________________________________________________________________________________________________________________9、小东有70元，买篮球花了28元，爸爸又给了他19元，小东现在有多少元？（做题空白处）__________________________________________________________________________________________________________________________________10、饰品店有90个发卡，卖出37个，补货21个，现在饰品店有多少个发卡？（做题空白处）__________________________________________________________________________________________________________________________________第十五天难点突破：复杂情境两步应用题训练重点：情境更丰富、条件更隐蔽，锻炼学生审题、筛选信息、梳理数量关系的综合能力。1、周末全家去公园，原本有34人在草坪游玩，走了16个大人，来了12个小孩，现在草坪上有多少人？（做题空白处）__________________________________________________________________________________________________________________________________2、小明的作业本原本有60页，上周用了23页，这周老师又新增15页练习内容，现在作业本还有多少页可用？（做题空白处）__________________________________________________________________________________________________________________________________3、小区快递柜有72个快递，上午取走31个，下午新放入24个，现在快递柜有多少个快递？（做题空白处）__________________________________________________________________________________________________________________________________4、小红收集了55枚邮票，送给好朋友18枚，又从杂志上收集13枚，小红现在有多少枚邮票？（做题空白处）___________________________________