Răspuns :
1)a=56875+749487=806362
2)a=1000000-729456=270544
3)a=578987-387498=191489
2)a=1000000-729456=270544
3)a=578987-387498=191489
a-749487=56875= 749487+56875=806362 a+729456=1000000=1000000-729456=270544 387498+a=578987=578987-387498=191489