Răspuns :
a + b + c = 2004
a + b = 1000
a = c - 309
1000 + c = 2004
c = 2004 - 1000
c = 1004
a = 1004 - 309
a = 695
a + b = 1000
695 + b = 1000
b = 1000 - 695
b = 305
verificam
695 + 305 + 1004 = 2004
a + b = 1000
a = c - 309
1000 + c = 2004
c = 2004 - 1000
c = 1004
a = 1004 - 309
a = 695
a + b = 1000
695 + b = 1000
b = 1000 - 695
b = 305
verificam
695 + 305 + 1004 = 2004