把下面各数按从小到大的顺序排列.3.241 3.4 3.2 3. 3.2 .
5÷17=÷12=.
÷=== :50=.
12: =0.375=45÷ = :56=.
15:90= %==6÷ = :12.
=:0.5= ÷ .