Răspuns :
(a+b+c)-(a+b)=a+b+c-a-b=c
c=7893-5371=2522
b+c=6782 b+2522=6782
b=4260
a+b=5371 a+4260=5371
a=1111
sper ca te-am ajutat
c=7893-5371=2522
b+c=6782 b+2522=6782
b=4260
a+b=5371 a+4260=5371
a=1111
sper ca te-am ajutat
(a+b)5371+c=7893
c=7893-5371
c=2522
a+6782 (b+c)=7893
a=7893-6782=1111
b+2522 (c)=6782
b=6782-2522
b=4260
a=1111
b=4260
c=2522