5.3分数与除法1.你能用分数表示下面各题的商吗?8÷11=13÷6=30÷19=113÷24=2.把下面的分数改写成除法算式。=( )÷( )=( )÷( )=( )÷( )=( )÷( )=( )÷( )( )÷9=3.把下面的假分数化成整数。= = = = = =4.想一想,填一填。3÷5= ( )÷9=13÷( )=2==2=( )1= 2= 3=,4=3=2=1=答案:1. 2.1 8 6 7 5 6 7 13 15 8 53.2173254.29171369451212471013