Răspunsuri

2014-10-01T19:15:02+03:00
 il stergi????????????????

Cel mai inteligent răspuns!
2014-10-01T19:16:16+03:00
(a+b)/2=21
a=b:5,b=5a
(a+5a)/2=21
6a=42
a=7
b=5x7=35
marcheaza-l daca e cel mai bun raspuns.multumesc!
am marct