995-775= 985-807=
136+471= 345+427=
622+190= 437+270=
903-786= 81+519=
525-412= 683+181=
736-675= 461+433=
833-732= 961-600=
718-608= 188-14=
166+262= 419+489=
811-796= 230-177=
275+421= 395-46=
487-35= 391+589=
252+6= 696+266=