A、B都是非零自然数,因为A÷=B×,所以A>B. .
小数=6:5==36÷ = %
÷25= :8=27÷ =3.
0.75=12÷ = :12== %= 折.
0.75=12÷ =9: = %
0.7=7÷ = :30== %