4. Calculați în grame:
Răspuns:
a) 2kg + 2hg = 2000g + 200g = 2200g
b) 500dag + 30hg = 5000g + 3000g = 8000g
c) 75kg + 5dag = 75000g + 50g = 75050g
d) 3kg + 3hg + 3dag = 3000g + 300g + 30g = 3330g
e) 200g + (400g × 2) = 200g + 800g = 1000g
