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5hm=5·0,1=0,5km

1/5m=0,2m·100=20cm

1/10m=0,1m·100=10cm

1/8m=0,125m·100=12,5cm

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1/5km=0,2km·1000=200m

1/2km=0,5km·1000=500m

1/4km=0,25km·1000=250m

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4/5m=0,8m·100=80cm

5/4km=1,25km·1000=1250m

1/4m=0,25m·10=2,5dm

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