3吨化肥平均分给4个村,每个村分得这批化肥的,分得1吨化肥的.
4÷ ==12.5%=3: =.
0.625= ÷40=40: == %.
:5=0.8== ÷20= %.
2: =4÷ === %, .
1.5: == %=.