Jakim ułamkiem metra są:5cm,12cm,25cm,75cm,150mm,300mm,8dm,10dm

1m=100cm=1000mm 5cm:100cm=5/100=1/20 12cm:100cm=12/100=3/25 25cm:100cm=25/100=1/4 75cm:100cm=75/100=3/4 150mm:1000mm=150/1000=15/100=3/20 300mm=30cm   30cm:100cm=30/100=3/10 8dm=80cm    80cm:100cm=80/100=8/10=4/5 10dm=100cm   100cm:100cm=1  

5cm = 5/100 = 1/20 12cm. = 12/100 = 3/25 25 cm. = 25/100=1/4 75cm. - 75/100= 3/4 150mm=15cm=15/100 m = 3/20m 300mm=30cm=30/100m=3/10m 8dm=8/10m=4/5m. 10dm = 1m.