在横线里填上“>”“<”“=”.756×0.9 756 4.25×1.1 4.255.04÷6 1 0.56÷0.7 0.7.
:4=0.25=5÷ = %= 折.
9÷4= :12= :2= %.
=42: =75%= 折.
=20: =0.625= ÷40= %
.