25×31×4
72×16÷6
108+57÷3
(8+80)×125
540÷3=
202×6=
4800÷80=
720-428=
0×7+3=
450÷3=
79+21× 40=
360-360÷5=
(475-235)×80 (162+99)÷29 343÷(182-133)
11.11×6666+7778×33.33
9865000 12600000
3000000 300万
202300000 200230000
45×0.945 3.8﹣3.7 ÷1