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daca patru robinete umplu un bazin in 24 ore aflati cate robinete au acelasi debit trebuie deschise pentru a umple acelasi bazin in 8 ore

Răspuns :

[tex]~~~~~~~~~~~~~~~~\boxed{Tema}

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~~~\alpha.\underline{Rezolvare}


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~~~~~4~robinete~...........~24~h

~~~~~x~robinete~............~8~h

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~~~~~Sunt~marimi~invers~proportionale~(~i.p~)

\dfrac{4}{x} = \dfrac{8}{24} = \ \textgreater \ x = \dfrac{4 * 24}{8} = \ \textgreater \ x = \dfrac{96}{8} = \ \textgreater \

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\boxed{ x = 12~robinete}

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