六(1)班今天到校上课的有39人,1人请假.今天的出勤率是 .
÷8==0.5= %= : .
=0.25=4÷ = :28= %
12÷ ==== %= 折.
5: ==1.25=30÷ = %
1==3÷ = : = %= (填小数).