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      2026秋小学数学三升四年级奥数拓展应用题12天暑假专项提升训练

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      2026秋小学数学三升四年级奥数拓展应用题12天暑假专项提升训练

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      这是一份2026秋小学数学三升四年级奥数拓展应用题12天暑假专项提升训练,共44页。试卷主要包含了间隔数=棵数-1等内容,欢迎下载使用。
      核心公式:棵数=间隔数+1、间隔数=棵数-1、总长=间隔数×间距
      1. 一条笔直的小路长80米,在小路一侧从头到尾种树,每隔5米种一棵,一共需要种多少棵树?
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      2. 学校走廊长63米,计划在走廊一侧摆放绿植,两端都放,每隔7米放一盆,一共需要多少盆绿植?
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      3. 在一条长100米的公路一侧植树,两端都栽,一共种了21棵树,请问每两棵树之间的间距是多少米?
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      4. 公园步道长48米,一侧从头到尾安装路灯,每隔6米装一盏,一共要安装多少盏路灯?
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      5. 一条道路一侧种树,两端都栽,每隔4米种一棵,一共种了30棵,这条道路总长多少米?
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      6. 校园围墙边的小路长72米,一侧从头到尾栽桂花树,每隔8米栽一棵,一共栽多少棵?
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      7. 笔直的河道一侧全长90米,两端都栽柳树,一共栽了19棵,相邻两棵柳树间距多少米?
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      8. 小区健身路长55米,一侧从头到尾摆放休闲椅,每隔5米放一把,一共放多少把椅子?
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      9. 一条公路一侧两端都栽树,间距3米,一共栽了41棵树,这条公路长多少米?
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      10. 广场长廊长84米,一侧从头到尾挂灯笼,每隔12米挂一个,一共需要挂多少个灯笼?
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      第2天 植树问题专项(基础入门:一端栽一端不栽)10题
      核心公式:棵数=间隔数、总长=间隔数×间距、间距=总长÷间隔数
      1. 一条小路紧靠围墙,全长60米,在小路一侧种树,围墙一端不栽,另一端栽树,每隔6米种一棵,一共种多少棵?
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      2. 圆形花坛外围的直道长45米,一端挨着花坛不栽花,另一端栽花,每隔5米栽一盆月季,一共栽多少盆?
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      3. 河边步道长88米,靠河一端不栽树,另一端栽树,一共栽了11棵杨树,相邻两棵树间距多少米?
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      4. 小区小路长36米,一端是楼房不摆放花盆,另一端摆放,每隔4米摆一盆,一共摆多少盆?
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      5. 一段公路长77米,一端有桥墩不栽树,另一端栽树,每隔7米栽一棵,一共栽多少棵?
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      6. 校园跑道侧边长96米,一端是看台不装灯,另一端装灯,一共装了12盏灯,灯的间距是多少米?
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      7. 一条直路一端靠墙,全长54米,每隔9米种一棵梧桐树,一共能种多少棵?
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      8. 湖边直道全长42米,靠湖水一端不栽树,栽树一端共种7棵柳树,树间距多少米?
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      9. 步行街一侧长66米,一端是商铺不挂招牌灯,每隔11米挂一盏,一共挂多少盏?
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      10. 一段绿化带直道长81米,一端是道路交叉口不栽灌木,一共栽了9丛灌木,间距是多少米?
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      第3天 植树问题专项(基础入门:两端都不栽)10题
      核心公式:棵数=间隔数-1、间隔数=棵数+1、总长=间隔数×间距
      1. 两条楼房之间的小路长40米,在小路两侧种树,两端都是楼房不栽树,每隔5米种一棵,一侧种多少棵?
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      2. 两座教学楼之间距离63米,中间栽树,两端不栽,每隔7米栽一棵,一共栽多少棵?
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      3. 两段围墙之间的通道长32米,两端围墙不摆放花盆,中间每隔4米摆一盆花,一共摆多少盆?
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      4. 两栋居民楼相距72米,中间栽桂花树,两端不栽,一共栽了8棵,相邻两棵树间距多少米?
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      5. 公园两处假山之间距离56米,中间栽花,两端不栽,每隔8米栽一盆,一共栽多少盆?
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      6. 街道两处路口之间长90米,中间安装路灯,两端路口不装,每隔10米装一盏,一共装多少盏?
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      7. 两个公交站台相距48米,中间种树,两端不栽,一共种了11棵树,树间距多少米?
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      8. 图书馆和食堂之间距离35米,中间摆绿植,两端不摆,每隔5米摆一盆,一共摆多少盆?
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      9. 两段护栏之间通道长66米,两端不栽树,中间每隔6米栽一棵,一共栽多少棵?
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      10. 两个花坛之间相距80米,中间栽冬青,两端不栽,一共栽了19丛,间距是多少米?
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      第4天 植树问题三类模型混合变式10题
      1. 一条长90米的公路,一侧植树,两端都栽,每隔6米一棵,一共多少棵?
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      2. 两栋房子之间相距50米,中间种树,两端不栽,每隔5米一棵,一共多少棵?
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      3. 靠墙小路长70米,一端靠墙不栽树,一端栽树,每隔7米一棵,一共多少棵?
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      4. 笔直大道一侧两端都栽树,间距4米,共26棵,大道全长多少米?
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      5. 河边直道长64米,靠河一端不栽树,共栽8棵树,树间距多少米?
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      6. 两个亭子之间相距77米,中间摆石凳,两端不摆,每隔11米摆一张,一共摆几张?
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      7. 校园主干道长100米,一侧从头到尾插彩旗,每隔10米一面,一共多少面?
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      8. 围墙边通道长49米,一端围墙不栽花,共栽7盆花,花盆间距多少米?
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      9. 两堵墙之间距离84米,中间栽树,两端不栽,每隔7米一棵,一共多少棵?
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      10. 一条小路两端都栽树,共31棵,间距5米,小路总长多少米?
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      第5天 间隔问题专项(锯木头基础)10题
      核心规律:锯的次数=段数-1、总时间=单次时间×锯的次数
      1. 一根木头锯成4段需要12分钟,照这样计算,锯成1段需要几分钟?锯成7段需要几分钟?
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      2. 一根木材锯成3段需要6分钟,锯成8段需要多少分钟?
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      3. 一根木棍锯成5段用了20分钟,单次锯木头需要几分钟?锯成6段需要多久?
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      4. 锯一根钢管,每锯一次需要3分钟,锯成9段需要多少分钟?
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      5. 一根木头锯成6段需要25分钟,锯成3段需要多少分钟?
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      6. 工人锯木料,锯一次需要4分钟,用28分钟可以把木料锯成几段?
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      7. 一根竹子锯成2段需要2分钟,锯成10段需要多少分钟?
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      8. 锯一根长木条,锯成4段用时15分钟,锯成5段需要多少分钟?
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      9. 师傅锯木头,30分钟把木头锯成7段,每锯一次需要几分钟?
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      10. 一根木材,锯一次需要5分钟,锯完一共用了35分钟,这根木材被锯成了几段?
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      第6天 间隔问题专项(爬楼梯基础)10题
      核心规律:爬的层数=终点楼层-起点楼层、总时间=单层时间×层数
      1. 小明从1楼爬到4楼需要9分钟,照这样计算,从1楼爬到6楼需要几分钟?
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      2. 小红从1楼爬到3楼用了4分钟,她从1楼爬到8楼需要多少分钟?
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      3. 小刚爬楼梯,从2楼爬到5楼用了6分钟,从5楼爬到9楼需要几分钟?
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      4. 一栋楼房每层楼梯攀爬时间相同,从1楼爬到5楼需要12分钟,爬一层需要几分钟?
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      5. 小丽从1楼爬楼梯,每层用时2分钟,她爬到7楼一共需要多少分钟?
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      6. 小强从3楼爬到6楼用了9分钟,他从4楼爬到10楼需要多少分钟?
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      7. 小亮爬楼梯,从1楼到4楼用时8分钟,照这样速度,16分钟能从1楼爬到几楼?
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      8. 每层楼梯有18级台阶,小明从1楼爬到5楼,一共走了多少级台阶?
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      9. 小红从2楼爬到7楼,每层有20级台阶,她一共走了多少级台阶?
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      10. 小刚爬一层楼梯需要3分钟,他从1楼爬到9楼,一共需要多少分钟?
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      第7天 间隔问题专项(敲钟基础)10题
      核心规律:敲钟间隔数=敲钟次数-1、总时长=单次间隔时间×间隔数
      1. 一座时钟3点敲3下,用时6秒,那么5点敲5下需要多少秒?
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      2. 钟表2点敲2下,3秒敲完,7点敲7下需要多少秒?
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      3. 广场大钟4点敲4下,9秒敲完,12点敲12下需要多少秒?
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      4. 闹钟5点敲5下,用时8秒,敲一下的间隔时间是多少秒?
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      5. 教学楼大钟6点敲6下,10秒敲完,9点敲9下需要多少秒?
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      6. 时钟敲4下用了12秒,按照这个速度,敲8下需要多少秒?
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      7. 寺庙大钟3点敲3下,4秒敲完,10点敲10下需要多少秒?
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      8. 钟表敲5下用时12秒,敲几下用时18秒?
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      9. 街头时钟7点敲7下,18秒敲完,4点敲4下需要多少秒?
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      10. 闹钟敲6下用15秒,间隔时间不变,敲10下需要多少秒?
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      第8天 间隔问题三大模型混合变式10题
      1. 一根木头锯成5段需要16分钟,锯成9段需要多少分钟?
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      2. 小明从1楼爬到6楼用时10分钟,从1楼爬到10楼需要多少分钟?
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      3. 时钟4点敲4下,6秒敲完,8点敲8下需要多少秒?
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      4. 工人锯木料,锯一次需要6分钟,锯完共用42分钟,木料被锯成几段?
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      5. 小红从3楼爬到7楼走了80级台阶,每层台阶数相同,她从1楼爬到5楼走多少级台阶?
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      6. 大钟5点敲5下,12秒敲完,敲9下需要多少秒?
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      7. 一根木材锯成3段用时8分钟,锯成7段需要多少分钟?
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      8. 小亮爬楼梯,每层用时4分钟,从2楼爬到8楼需要多少分钟?
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      9. 时钟敲3下用5秒,敲12下需要多少秒?
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      10. 锯一根钢管,锯成6段需要20分钟,锯成4段需要多少分钟?
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      第9天 简化版鸡兔同笼专项(画图法入门)10题
      解题要求:全程使用画图法,先画头,再画腿,补全差额,禁止用方程
      1. 笼子里有鸡和兔共8只,一共有22条腿,鸡和兔各有多少只?
      (答题空白+画图区)
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      2. 鸡兔同笼,共6个头,20条腿,鸡、兔各几只?
      (答题空白+画图区)
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      3. 笼子里鸡和兔一共10只,腿一共有28条,鸡和兔分别有多少只?
      (答题空白+画图区)
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      4. 鸡兔同笼,共9个头,26条腿,鸡、兔各有几只?
      (答题空白+画图区)
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      5. 笼子里有鸡和兔共7只,总腿数24条,鸡和兔各多少只?
      (答题空白+画图区)
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      6. 鸡兔同笼,共12个头,34条腿,鸡、兔各几只?
      (答题空白+画图区)
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      7. 笼子里鸡兔共5只,腿有16条,鸡和兔各有多少只?
      (答题空白+画图区)
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      8. 鸡兔同笼,共11个头,30条腿,鸡、兔各几只?
      (答题空白+画图区)
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      9. 笼子里鸡兔共13只,腿一共有36条,鸡和兔各多少只?
      (答题空白+画图区)
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      10. 鸡兔同笼,共4个头,14条腿,鸡、兔各几只?
      (答题空白+画图区)
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      第10天 简化版鸡兔同笼专项(列表法入门)10题
      解题要求:全程使用列表法,有序列举鸡和兔的数量,验证腿数,禁止用方程
      1. 鸡兔同笼,共10个头,32条腿,鸡和兔各有多少只?
      (答题空白+列表区)
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      2. 笼子里鸡兔共14只,总腿数40条,鸡、兔各几只?
      (答题空白+列表区)
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      3. 鸡兔同笼,共8个头,26条腿,鸡和兔分别有多少只?
      (答题空白+列表区)
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      4. 笼子里鸡兔共15只,腿一共有42条,鸡、兔各几只?
      (答题空白+列表区)
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      5. 鸡兔同笼,共12个头,38条腿,鸡和兔各多少只?
      (答题空白+列表区)
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      6. 笼子里鸡兔共7只,腿22条,鸡、兔各几只?
      (答题空白+列表区)
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      7. 鸡兔同笼,共16个头,44条腿,鸡和兔各有多少只?
      (答题空白+列表区)
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      8. 笼子里鸡兔共9只,腿28条,鸡、兔各几只?
      (答题空白+列表区)
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      9. 鸡兔同笼,共18个头,50条腿,鸡和兔各多少只?
      (答题空白+列表区)
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      10. 笼子里鸡兔共6只,腿18条,鸡、兔各几只?
      (答题空白+列表区)
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      第11天 鸡兔同笼变式(生活拓展题)10题
      解题要求:沿用画图法、列表法,适配生活场景变式,无方程解题
      1. 停车场有三轮车和小轿车共9辆,一共有32个轮子,三轮车和小轿车各有几辆?
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      2. 池塘里有鸭子和乌龟共11只,一共有34条腿,鸭子和乌龟各多少只?
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      3. 文具店有钢笔和圆珠笔共12支,钢笔5元一支,圆珠笔3元一支,总价46元,两种笔各有多少支?
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      4. 小区车位停电动车和汽车共10辆,总轮子数34个,电动车和汽车各几辆?
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      5. 农场有小鸡和小兔共13只,腿一共有38条,小鸡和小兔各多少只?
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      6. 玩具车有两轮摩托和四轮汽车共8辆,轮子共26个,两种玩具车各几辆?
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      7. 果园里有鸡和鹅共14只,总腿数36条,鸡和鹅各多少只?
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      8. 货架上有笔记本和练习本共15本,笔记本4元,练习本2元,总价48元,两种本子各多少本?
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      9. 湖边有青蛙和蜻蜓共7只,腿有20条,青蛙和蜻蜓各几只?
      ________________________________________________________________
      ________________________________________________________________
      10. 快递车有两轮拖车和四轮货车共16辆,轮子共52个,两种车各多少辆?
      ________________________________________________________________
      ________________________________________________________________
      第12天 基础盈亏问题专项(盈多题型)10题
      核心题型:分配物品后有剩余(盈),基础单盈题型,用分析法解题
      1. 老师给小朋友分糖果,每人分4颗,还多12颗,已知有8个小朋友,一共有多少颗糖果?
      ________________________________________________________________
      ________________________________________________________________
      2. 把作业本分给学生,每人分5本,多出10本,班级有6名学生,作业本一共有多少本?
      ________________________________________________________________
      ________________________________________________________________
      3. 幼儿园分饼干,每人分3块,还剩15块,一共有9个小朋友,饼干总数量是多少?
      ________________________________________________________________
      ________________________________________________________________
      4. 班长分铅笔,每人分2支,多出8支,班里有12名同学,铅笔一共有多少支?
      ________________________________________________________________
      ________________________________________________________________
      5. 给小组同学分橡皮,每人分1块,剩余6块,小组有7人,橡皮一共有多少块?
      ________________________________________________________________
      ________________________________________________________________
      6. 学校分跳绳,每班分4根,多出9根,全校有10个班级,跳绳一共有多少根?
      ________________________________________________________________
      ________________________________________________________________
      7. 家长分水果,每人分6个,剩余14个,一共有5个孩子,水果总个数是多少?
      ________________________________________________________________
      ________________________________________________________________
      8. 老师分绘本,每人分3本,多出7本,8名学生分绘本,总共有多少本绘本?
      ________________________________________________________________
      ________________________________________________________________
      9. 社团分手工材料,每人分5份,剩余11份,社团有6人,材料一共有多少份?
      ________________________________________________________________
      ________________________________________________________________

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