Buna seara ! un camion plin cu cartofi cantareste 14t,iar plin pe jumate cantareste 9t.Camionul gol cantareste; a 2 tone b 5tone c7tone d4tone e3tone Va multumesc! astept rezolvarea.
a) 9t-2t=7t(jumatate de cantitate) 7t+7t=14t F b)9t-5t=4t 4t+4t=8t 8t+2t=10t F c) 9t-7t=2t 2t+2t=4t 4t+2t=6t F d)9t-4t=5t 5t+5t=10t 10t+2t=12t F e)9t-3t=6t 6t+6t=12t 12t+2t=14t A
