Zamień :
a) 20 [dm] 10 [cm] 20 [mm] = ... [mm]
b) 3,6 [h] 20 [min] = ... [s]
c) 15 [ m/s] = ... [km/h]
d) 10 [cm/min] = ... [ dm/s]
e) 3600 [ g/ cm3 ] = ... [kg/m3]
f) 3 [h] + 20 [min] + 20 [s] = ... (obojętnie jaka jednostka ;p, najlepiej te 3 czyli na godziny min i sek)
DAJE NAJ !
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20dm=2000mm
10cm=100mm
20mm=20mm
3,6h=3,6*36000=12960s
20 min=20*60=120s
15m/s=15*3600/1000=54 km/h
10cm/min=10*1/10*1/60=1/60 dm/s
3600g/cm3=3600*1000/1000000=3,6kg/m3
3*3600+20*60+20=12020s
3*60+20+20*1/60=200+1/3=200 1/3 min
3+20*1/60+20*1/3600=3+1/3+1/180=3+60/180+1/180=3+61/180=3 61/180 h
licze na naj ;)