Răspuns :
a-b=265
a+b=1365
a=b+265
b+265+b=1365
2b+265=1365
2b=1365-265
2b=1100
b=1100:2
b=550
a+b=1365
a=b+265
b+265+b=1365
2b+265=1365
2b=1365-265
2b=1100
b=1100:2
b=550
a+b=1365
a-b=265
acum le aduni
2*a=1630
a=1630/2
a=815
815+b=1365
b=1365-815
b=550
a-b=265
acum le aduni
2*a=1630
a=1630/2
a=815
815+b=1365
b=1365-815
b=550