Răspuns :
Răspuns:
a+b+c=93
a+b=67
b=c/2=>c=2b
67+c=93=>c=93-67=>c=26
26=2b=>b=26:2=>b=13
a+13=67=>a=67-13=>a=54
verificare:
54+13+26=93
Răspuns:
a+b+c=93
a+b=67
b=c:2
a+b+c=93
a+b=67
67+c=93
c=93-67
c=26
b=c:2=> b= 26:2
b=13
a+b=67
a=67-b=> a=67-13
a=54