Răspuns :
a+578=2993
a=2993-578
a=2415
b+3475=5782
b=5782-3475
b=2307
c+1586=4792
c=4792-1586
c=3206
Sper ca te-am ajutat!
a+578=2993
a=2993-578
a=2415
...................
b+3475=5782
b=5782-3475
b=2307
.......................
c+1586=4792
c=4792-1586
c=3206
a=2993-578
a=2415
...................
b+3475=5782
b=5782-3475
b=2307
.......................
c+1586=4792
c=4792-1586
c=3206