Determina numberele a, b si c care indeplinesc, simultan, conditiile

a+b+c=4500 a=35x48 a+c=2835


Răspuns :

a+b+c=4500
a=35x48=1680
a+c=2835
1680+c=2835
c=2835-1680=1155
1680+b+1155=4500
1680+b=4500-1155
1680+b=3345
b=3345-1680
b=1665

a+b+c=1680+1665+1155=4500

a=1680 (35*48)
c=1155 (2835-1680)
b=1665 (4500-2835)