416+332=
250+412=
977+760=
787-78=
905-652=
1349-732=
56+=837
257+=705
1255+=1663
89×7=
9×58=
857×5=
627÷3=
240÷8=
786÷6=

-256=822-417
151+176+410+320=
761-280=+308
554+511+360-1230=
273++372=963
1053+537-768-630=
284+-504=442
1994-633-596-413=