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18km w 2godz
18km:2=9km w 1godz
9km/h
600m:4=150m w 1min
150m/min
300m:12=25m w 1s
25m/s
b)
15m*3=45m
45m/min
45m/min
10km*4=40km
40km:2=20km/h
20km/h
1200m*5=6000m
6000m:2=3000m
3000m=3km
6km/h