185+576=
408+472=
375+702=
445-89=
851-400=
975-360=
75+=749
306+=880
212+=986
65×7=
85×6=
248×4=
75÷5=
312÷6=
704÷8=

-268=812-436
161+144+483+159=
859-278=+353
345+275+264-690=
212++322=956
463+242-135-354=
208+-413=304
999-341-102-333=