Răspuns :
a+b+c=7980
a=1760
b=1760+999
b=2759.
1760+2759+c=7980
4519+c=7980
c=7980-4519
c=3461.
Succes!
a=1760
b=1760+999
b=2759.
1760+2759+c=7980
4519+c=7980
c=7980-4519
c=3461.
Succes!