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plssss dauuuu coroanaaaa rezolvarea​

Plssss Dauuuu Coroanaaaa Rezolvarea class=

Răspuns :

[tex]P=\frac{cazuri favorabile}{cazuri totale}[/tex]

cazuri totale= 0,1,...,30 = 31 numere

cazuri favorabile=2,3,5,7,11,13,17,19,23,29 = 10 numere

[tex]P=\frac{10}{31}[/tex]