cred ca era a+b+c=355
355-245=110(b+c)
Răspuns:
a+355=245
a=355-245
a=110
110+b+c=245
b=110+c=245
c=245-110
c=135
110+b+135=245
b=245-110+135
b=254-245
b=0
V:110+0+135=245
