265+398=
166+485=
354+756=
606-83=
976-568=
902-261=
97+=696
524+=706
265+=956
74×5=
69×4=
128×5=
336÷8=
639÷9=
248÷4=

-291=858-407
100+170+401+165=
788-275=+383
581+389+295-995=
240++364=947
441+273-113-383=
220+-433=311
999-371-163-389=