0.035里面有 个0.001,3.6里面有 个百分之一,0.72里面有 个0.1和 个0.01.
3÷8==24: = %.
0.2: == ﹣== %
0.6: =9.6÷ =1.2= %.
0.75=3÷ = :16== %
= :20= %