Răspuns :
a+b+c=63
a=3c⇒a=3·2b⇒a=6b
c=2b
6b+b+2b=63
9b=63
b=63:9
b=7
a=6b=6·7
a=42
c=2b=2·7
c=14
Poti face proba !!!
a=3c⇒a=3·2b⇒a=6b
c=2b
6b+b+2b=63
9b=63
b=63:9
b=7
a=6b=6·7
a=42
c=2b=2·7
c=14
Poti face proba !!!