6□7÷63的商是一位数,□里最大是 .□27÷32的商是两位数,□里最小是 .
0.8==12÷ = 折= %
3÷ == :12=七成五= %
=0.75=15÷ .
9: == ÷32== :56.
:16==0.125= %