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Ответ

Ответ дан
damir107

Ответ:

1)36144/18=2008

Объяснение:

36144/(2×3×3)=18072/(3×3)=6024/3=2008

3) S=v1×t1

S=12×6=72км расстояние от А до В

t2=S/v2

t2=72/18=4ч время обратного пути

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