Mathematics, 21.01.2021 14:00 jenlicavoli

Într-o urnă sunt 9 de bile numerotate cu numere de la 11 la 19.Probabilitatea de a extrage din urnă o bilă numerotată cu un număr divizibil cu 3 este..

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Într-o urnă sunt 9 de bile numerotate cu numere de la 11 la 19.Probabilitatea de a extrage din urnă...