1米3厘米= 米 35吨= 千克.
= ÷32=( 0.125 )填小数=6:( )=12.5%.
== :32=15÷ = (填小数)
=18: =0.6== %= 折.
÷6=6: =1.5= %
15÷ ===1=1.25.