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Mathematics, 14.09.2021 14:40 iva60

Sílvia deseja formar um número de dois dígitos. O primeiro dígito desse número será obtido a partir do lançamento de um dado comum e o segundo, por meio de um sorteio entre três cartões numerados de 7 a 9. Quantos números diferentes Sílvia pode formar nesse processo?

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Sílvia deseja formar um número de dois dígitos. O primeiro dígito desse número será obtido a partir...
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