由5,9,4,8,0,3可以组成一个最大的五位数是 ,最小的五位数是 .
= ÷ = %=6: .
÷20=0.8==20÷ = %
==16÷ = %
9÷ ==0.375=15: = %
5÷8= :24== (小数)= %