Răspunsuri

2014-08-07T17:41:15+03:00
Cel mai inteligent răspuns!
2014-08-07T17:41:38+03:00
1 jumatate -80 km\h 
2 jumatate = 120 km\h 
viteza medie =( 80+120) :2=200km:2=100 
2 5 2