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D=400km
V=24km/h
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T=?


Răspuns :

Δd=400km;v=24km/h;
⇒Δt=Δd/v
⇒Δt=400km/24km/h⇒se reduce km cu km;
⇒Δt=400/24h
⇒Δt=16,[6]h;