根据32×43=1376,可以写出3.2×43= ,0.32×4.3= ,1376÷32= ,137.6÷4.3= .
÷40= = :16= %=0.375.
= ÷48.
== ÷ .
=18: = :20== ÷40= [填小数].
0.5:1= ÷4= ÷= %