横线里最大能填几?3× <16 ×7<36 ÷6<54× <23 2× <20 32÷ <10.
0.375= ÷ = :16== %
27: =0.75== %
== %= :12.
=3:4= %= 折= (填小数)
=4:5=8÷ = %