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t1=4h
V=60km/h
s=?
s=60km/h*4h
s=240km
t2=3h
V2=240km:3h
V2=80km/h
Odp. Pan samochodzik w drodze powrotnej jechał z prędkością 80km/h.
S = 60km/h*4h
S = 240km
V = 240km:3h
V = 80km/h