Răspuns :
330 : 6 = 55 ( km , parcusi intr-o ora )
55 x 9 = 495 ( km , parcusi in 9 ore )
55 x 9 = 495 ( km , parcusi in 9 ore )
pai faci cu regula de trei simpla
daca in 6h........330km
dar in 9h.........xkm
x=(9*330)/6=495 km
daca in 6h........330km
dar in 9h.........xkm
x=(9*330)/6=495 km