找规律填空。1÷9=2÷9=3÷9=4÷9=
:8==0.875= ÷24= %
=2:5=18÷ = %= (填小数)
:5=0.8== ÷20= %
0.4==16÷ = :10= %
: = =1.25=125÷ .