davilarubyyy davilarubyyy

29-05-2021
Mathematics

contestada

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

Respuesta :

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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