Răspuns:
[tex]\bf 125~455 + 341 ~922 + a = 779 ~000[/tex]
[tex]\bf 467~377 + a = 779~ 000[/tex]
[tex]\bf a = 779~ 000-467~377[/tex]
[tex]\purple{\boxed{~\bf a = 311~623~}}[/tex]
[tex]\bf 356~ 220-a +232~ 117 = 587~ 445[/tex]
[tex]\bf 588~337-a = 587~ 445[/tex]
[tex]\bf 588~337 = 587~ 445+a[/tex]
[tex]\bf 588~337 - 587~ 445=a[/tex]
[tex]\red{\boxed{~\bf a=892~}}[/tex]
