davilarubyyy davilarubyyy
  • 29-05-2021
  • Mathematics
contestada

De cuántas maneras se pueden dar primer y segundo premio entre 10 personas?

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swizman swizman
  • 29-05-2021
hay diez opciones para dar el primer premio, y despues nueve opciones para dar segundo premio. 10 x 9 = 90, asi que hay 90 maneras para dar estos premios
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