a) 120km=1h
240km=2h
300km=2,5h
Inny sposób:
120km/h×2,5h=300km
b)120km=1h
60km=0,5h=30min
30km=0,25h=15min
:)
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a) 120km=1h
240km=2h
300km=2,5h
Inny sposób:
120km/h×2,5h=300km
b)120km=1h
60km=0,5h=30min
30km=0,25h=15min
:)