上周四,六(1)班到校上课的有48人,缺席2人,这一天出勤率是 .
:12== ÷20= 用小数表示.
0.75= :8=15÷ =9: = %= 折.
:2= :5= %=24÷ .
0.375= ÷ = :16== %
27: =0.75== %