Question

przelicz jednostki a) na sekundy 2h 3,5min 1 doba b) na kilogramy 4,5t 250g 1004 dag c) na metry 2,25km 500mm 48cm

Answer 1

a) na sekundy

2h=2*3600s=7200s

3,5min=3,5*60=210s

1 doba=24*3600=86400s

b) na kilogramy

4,5t=4,5*1000=4500kg

250g=250:1000=0,25kg

1004 dag=1004:100=10,04kg

c) na metry

2,25km=2,25*1000=2250m

500mm=500:1000=0,5m

48cm=48:100=0,48m