在2.6,4.8,3.6,2.8,3.6,5.4,4.8,3.0,6.4,4.8,3.7,4.8这一组数中,中位数是 ,众数是 .
= ÷25=40%= :45.
24: == ÷1.2= 折=75%
= ×=36÷ = :13.5.
÷20=0.4= %=2: .
已知m÷n=7…1,则m÷n=.