笔算除法,笔算 8420= 24530=,巩固练习,在( )里最大能填几?,20( )85,40( )316,60( )206,90( )643,30( )282,80( )505,70( )165,50( )408,4,3,7,7,2,9,8,6,(1)一本作文选多少元? 8421=,21,84,4,84,0,4(元),),笔算下面各题6923= 32481= 24572=,3,4,329,这种词典39元,我还有196元,想买那种词典。,(2)王老师还有196元,要买39元一本的词典,可以买多少本?还剩多少元? 19639=,39,),196,5,195,1,5(本) 1(元),笔算下面各题 9029=18537=27268=,根据试商的情况,很快说出准确商。,练一练:,3,87,3,5,175,10,4,272,0,8,200,0,4,104,0,小结:,把除数看作整数试商。,