o masina parcurge distanta de 720km in 3zile astfel. in primele doua zile 463km iar in ultimele doua zile 545 km .Cati km a parcurs in fiecare zi? Toata problema de la A la Z
a+b+c=720 km in cele trei zile a+b=463 km b+c=545 km 463+c=720 c=720-463 c=257 km a treia zi a+545=720 a=720-545 a=175 km in prima zi 175+b=463 b=463-175 b=288 km a doua zi V: 175+288+257=720 km
