=
8.2+0.08=
8.1÷3%=
×0.25=
6-6÷9=
10÷=
1÷-÷1=
×6÷×6=
31.9-3.09=
×÷×=
1.7×101=
+=
50%+30%=
3.14÷0.5÷2=
:=
(+)×24=
0.33=
-0.375=
÷60%=
10.9+1.09=
12×÷12×=
632÷69≈
14.14÷14=
1÷7+=
36÷=