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Questão sobre teoria de conjuntos
um trem viajava com 242 passageiros, dos quais:96 eram brasileiros
64 eram homens
47 eram fumantes
51 eram homens brasileiros
25 eram homens fumantes
36 eram brasileiros fumantes
20 eram homens brasileiros fumantes
calcule os itens abaixo e assinale a alternativa que apresenta as respostas:
I)o número de mulheres brasileiras não fumantes
II)o número de homens fumantes não brasileiros
III)o número de mulheres não brasileira, não fumantes.
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