32.5按计数单位展开是“3×10+2×1+5×0.1”,那么15.04可以展开成 .
÷4==0.75= %= : .
3:4== :16= :40= (小数)
:15=9: =10÷ ==0.5.
6:5== %= ÷20= (小数).
= : == ÷10= (填小数).