Răspuns:
1. gram, kg, grame, ton, kg 2. rata, jucarie colorata, iepuras, camion 4. 3kg = 6x500gr = 12 x250gr; 5kg = 10 jumatati = 20 sferturi; 25 kg = 50 x500gr (jumatati) = 100 x 250 gr9sferturi) primul tort = 1 kg + 4x500gr + 4x250gr = 1kg + 2kg + 1kg = 4 kg; al tort tort = 3x500gr + 6x250gr = 1,5 kg + 1,5 kg = 3 kg