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Análise combinatória – conjunto
Na final dos 100 metros rasos da Olimpíada de 96, oito atletas disputavam as três primeiras posições para obter uma medalha. De quantas maneiras diferentes era possível se organizar o podium com os três primeiros colocados?
Sendo o conjunto A={a1, a2, a3,…….,am}, quantos serão os pares ordenados, do tipo (ai, aj) onde ai , aj?A que poderemos formar com os elementos deste conjunto? E se ?
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