Odpowiedź:
zad1
1/2 cm = 5 mm
7 1/2 cm = 75mm
1/2 kg = 50 dag
6 1/2 kg = 650 dag
1/5 m = 20 cm
3 1/5 m = 320 cm
1/10 kg = 100g
5 1/10 kg = 5100g
1/4 km = 250 m
3 1/4 km = 3250m
1/2 t = 500 kg
30 1/2 t = 30500 kg