0.6里面有 个0.1;0.015里面有 0.001.
÷5=6: =0.6== :15.
3÷4= (填分数)= (填小数)
= ÷ == (最后一空填小数)
1.75=7÷ = =28÷ = .
: =2= ÷10= %