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.
13.5÷ ==0.45=18: = %
÷24=0.375=15: = :16= %
3÷5== %=9: = 折.
4:5= (填小数)=0.8: .
12÷ == ; 12== 小数= %