Răspuns :
a+b+c=8289
a+b=4001
b+c=5099
inlocuim
4001+c=8289
c=8289-4001
c=4288
b+4288=5099
b=5099-4288
b=811
a+811=4001
a=4001-811
a=3190
proba
3190+811+4288=8289
a+b=4001
b+c=5099
inlocuim
4001+c=8289
c=8289-4001
c=4288
b+4288=5099
b=5099-4288
b=811
a+811=4001
a=4001-811
a=3190
proba
3190+811+4288=8289
a+b+c=8289
a+b=4001
b+c=5099
4001+c=8289
⇒c=8289-4001
⇒c=4288
a+5099=8289
⇒a=8289-5099
⇒a=3190
b=8289-4288-3190
⇒b=811
a+b=4001
b+c=5099
4001+c=8289
⇒c=8289-4001
⇒c=4288
a+5099=8289
⇒a=8289-5099
⇒a=3190
b=8289-4288-3190
⇒b=811