Odpowiedź:
a)
20cm = 200mm
8m = 800cm
15km = 15000m
3000cm = 30m
750mm = 75cm\260cm = 26dm
b)
7cm 5mm = 75mm
10cm 3mm = 103mm
2m 17cm = 217cm
6m 3cm = 603cm
2m 700mm = 2700mm
4dm 6cm = 46cm
c)
425mm = 42cm 5mm
707mm = 70cm 7 mm
1208cm = 12m 8cm
5678m = 5km 678m
11 080m = 11km 80m
Szczegółowe wyjaśnienie: