□÷□=9…8,除数最小可能是 ,这时被除数就等于 .
: =0.8= ÷ = %.
6÷ = :24==0.75= %.
=75%=9÷ = :20= (填小数)
= ÷20== (在横线上填小数)
3.5== : (最简比).