在横线里填上“>”、“<”或“=”.2.7÷0.99 2.7×0.99 1.21×1.1 1.11×1.210.5÷5 5÷0.5 8.89×5.22 52.2×0.889.
1.25= %== :8= ÷16.
: =3=9÷ .
= :3.6=27÷ == %
5:8== ÷40= %
9÷ == :8= (填小数)