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5*3,6= 18km/h
Czyli szybciej porusza się motocyklista, bo 18km/h. A nad 1 jeszcze pomyślę...
A 1 to: Wzór na to zadanie to: V= s/t
Dane:
t= 2h
s=140 km
V=140/2=70 km/h
Proszę:)