2000千克花生仁能榨出花生油760千克,这些花生的出油率是 .
=2: =4÷ = %=0.2.
12÷ = :12=0.75= = %
0.75=6÷ = :12== %
1.75=7÷ ==28÷ =.
= ÷60=2:5= %= 填小数.