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Mathematics, 07.10.2020 21:01 bensleytristap93y8q

Prędkość człowieka z prądem wynosi 15 km / h, a prędkość prądu 2,5 km / h. Prędkość człowieka pod prąd wynosi?

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Prędkość człowieka z prądem wynosi 15 km / h, a prędkość prądu 2,5 km / h. Prędkość człowieka pod pr...

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