Odpowiedź:
a) 4mm = 0,4cm
6cm 5mm = 6,5cm
40cm 7mm = 40,7cm
3cm = 0,3dm
4dm 2 cm = 4,2dm
11dm 3cm = 11,3dm
b)7,6cm = 7cm 6mm
10,2cm = 10cm 2mm
103,8cm = 103cm 8mm
6,7dm = 6dm 7cm
30,5dm = 30dm 5 cm
