Odpowiedź :
c)
2 dm = 20 cm
3 cm * 2 + 20 cm * 2 = 46 cm = 4,6 dm
d)
3 cm = 30 mm
6 mm * 2 + 30 mm * 2 = 72 mm = 7,2 mm
e)
3,5 dm = 35 cm
35 cm * 2 + 3 cm * 2 = 76 cm = 7,6 dm
f)
5 m = 500 cm
500 cm * 2 + 4 cm * 2 = 1008 cm = 10,08 m
c)
2 dm = 20 cm
3 cm * 2 + 20 cm * 2 = 46 cm = 4,6 dm
d)
3 cm = 30 mm
6 mm * 2 + 30 mm * 2 = 72 mm = 7,2 mm
e)
3,5 dm = 35 cm
35 cm * 2 + 3 cm * 2 = 76 cm = 7,6 dm
f)
5 m = 500 cm
500 cm * 2 + 4 cm * 2 = 1008 cm = 10,08 m