首位或首两位 能整除的除法,复习巩固,计算下面各题,202,1407,10,20,5005,100,4808,60,新知讲解,3,平均分给2个班，每个班分得多少个？,新知讲解,3,23,个,新知讲解,3,23,个,2捆和3个合起来是23个。,新知讲解,3,23,个,402,20,62,3,20323,新知讲解,3,23,个,可以用竖式计算：,2,4,3,6,6,0,2为什么写在商的十位上？,答：平均每个班分得23个。,40220,想想做做,3,9,2,6,6,0,3,9,1,5,3,2,试一试,2462,123,2002,100,402,20,100203123,62,3,试一试,2462,123,1,2,2,4,4,6,6,0,3,想想做做,2,8,1,4,4,8,8,0,2,1,5,1,5,5,7,5,2,1,想想做做,242,12,2、用竖式计算。,1,2,2,4,4,0,693,23,2,6,3,9,9,0,想想做做,682,34,2、用竖式计算。,3,6,4,8,8,0,492,241,2,4,4,9,8,1,想想做做,4822,241,2,4,4,8,8,2,2,0,1,3633,121,1,3,2,6,6,3,3,0,1,想想做做,4894,2411,1,4,2,8,8,9,8,1,2,6696,1113,1,6,1,6,6,9,6,3,1,想想做做,3、一共有396本书。平均每个书架放多少本？,3963,132（本）,答：平均每个书架放132本。,