在下面的“□”里填上小数,“( )”里填上适当的真分数或假分数,“[]”里填上适当的带分数.
:4=0.75=9: =.
=3÷ =0.5= :10= %
=9÷ = :16= %= 填小数.
.
÷30=2÷5=18: = %