苏教版四年级上册,练习二,二 两、三位数除以两位数,练习题,18020,7010,30060,9,7,5,32040,35070,72090,8,5,8,1,【,选自教材,P10,练习二,第,1,题,】,练习题,2,8,0,0,4,2,0,8,0,8,5,0,4,2,0,8,5,0,2,1,2,0,3,0,1,0,4,0,9,1,1,0,3,4,4,3,2,【,选自教材,P10,练习二,第,2,题,】,练习题,3,用竖式计算，并验算。,9,9,0,2,4,0,8,9,1,9920,=4,19,验算：,2 0,4,8 0,1 9,9 9,【,选自教材,P10,练习二,第,3,题,】,练习题,51090,0,5,5,1,0,9,0,5,0,6,4,=,5,60,验算：,9 0,5,0,5,4,6 0,5 1 0,3,用竖式计算，并验算。,【,选自教材,P10,练习二,第,3,题,】,练习题,35750,26580,0,5,3,5,0,5,7,7,7,3,0,4,2,6,0,8,5,5,3,2,2,=7,7,=3,25,同学们动笔验算一下吧！,3,用竖式计算，并验算。,【,选自教材,P10,练习二,第,3,题,】,练习题,练习题,60,分（）时,180,分（）时,420,分（）时,60,秒（）分,300,秒（）分,540,秒（）分,1,3,7,1,5,9,4,18060=3,30060=5,42060=7,54060=9,【,选自教材,P10,练习二,第,4,题,】,练习题,5,.,一只东北虎的体重是,200,千克，一只金钱豹的体重是,50,千克。东北虎的体重是金钱豹的几倍？,20050,4,答：东北虎的体重是金钱豹的,4,倍。,求一个数是另一个数的几倍时，结果不带单位,。,【,选自教材,P10,练习二,第,5,题,】,练习题,6,3,9,0,6,0,6,0,2,0,2,8,0,5,9,4,0,1,1,9,1,5,0,2,0,2,0,4,0,0,0,【,选自教材,P10,练习二,第,6,题,】,练习题,7,算一算，比一比,。,32420,32460,1,2 0,1 2,3 2 4,0,2,4,6,1 2 0,4,=16,4,5,3 0 0,2 4,3 2 4,0,6,=5,2,4,【,选自教材,P10,练习二,第,7,题,】,练习题,0,3,4,5,0,3,6,5,1,1,0,5,4,5,0,5,6,4,6,9,6,5,5,1,0,6,45630,45650,=15,6,=9,6,7,算一算，比一比,。,【,选自教材,P10,练习二,第,7,题,】,练习题,0,4,4,5,0,4,5,5,1,0,4,2,5,0,4,5,2,5,6,5,1,4,0,5,45540,25540,1,1,=11,15,=6,15,7,算一算，比一比,。,【,选自教材,P10,练习二,第,7,题,】,练习题,8,花店有,388,枝,玫瑰花，每,30,枝,扎成一束，可以扎成几束，,还剩,多少,枝,？,38830,12,（束）,28,（枝）,答：可以扎成,12,束，还剩,28,枝。,求,388,里面有几个,30,，用除法计算。商是几则可以扎成几束，余数是几则还剩多少枝,。,【,选自教材,P11,练习二,第,8,题,】,练习题,9,4,种昆虫飞行时翅膀每秒振动的次数如下表,：,（,1,）,苍蝇翅膀每秒振动的次数是蜻蜓的多少倍？,36030,12,答：苍蝇翅膀每秒振动的次数是蜻蜓的,12,倍。,【,选自教材,P11,练习二,第,9,题,】,练习题,（,2,）你还能提出什么问题？,24020,12,答：蜜蜂翅膀每秒振动的次数是蝗虫的,12,倍。,蜜蜂翅膀每秒振动的次数是蝗虫的多少倍？,（答案不唯一）,10,40050,28070,18090,508,704,902,8,400,4,280,2,180,【,选自教材,P11,练习二,第,10,题,】,11.,先说出商是几位数，再计算。,87 30 820 40,一位数,两位数,3 0,8 7,2,6 0,2 7,=2,27,4 0,8 2 0,2,8 0,2,0,0,=20,20,【,选自教材,P11,练习二,第,11,题,】,0,6,6,2,0,8,4,5,4,7,6,62480,81860,0,6,8,1,0,6,8,1,1,8,3,8,0,8,3,2,1,=7,64,=13,38,一位数,两位数,12,900,30060,（,600,90,）,30,163040,750,（,23,27,）,900,5,51030,895,17,48040,75050,12,15,【,选自教材,P11,练习二,第,12,题,】,13,4,4,4,4,4,【,选自教材,P11,练习二,第,13,题,】,14,青山果园收获了,300,箱苹果和,260,箱梨，,一辆卡车每次能运,40,箱，多少次才能,全部运完？,（,300,260,）,40,14,（,次,）,答：,14,次才能全部运完。,【,选自教材,P11,练习二,第,14,题,】,15,王大伯准备围一块,360,平方米的长方形地培育树苗。如果这块地长,90,米，宽应该是多少米？如果长分别是,60,米、,40,米、,30,米或,20,米呢？,4,6,9,12,18,【,选自教材,P11,练习二,第,15,题,】,