Răspuns :
1 nr=8289-5099=3190 2nr=4001-3190=811 3nr=5099-811=4288 verificare=3190+811+4288=8289
a+b=4001
b+c=5099
a=8289-5099
a=3190
3190+b=4001
b=4001-3190
b=811
811+c=5099
c=5099-811
c=4288
3190+811+4288=8289
b+c=5099
a=8289-5099
a=3190
3190+b=4001
b=4001-3190
b=811
811+c=5099
c=5099-811
c=4288
3190+811+4288=8289