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Mathematics, 30.10.2020 16:30 monnicawilliam

Cinco pessoas (A, B, C e D) vão a um concerto e existem 5 lugares em fila para se sentarem. Sabendo disso, faça o que se pede em cada item: a) de quantas maneiras todas as cinco pessoas podem se acomodar nas cadeiras? b) se A fizer questão de sentar na primeira cadeira, de quantas formas elas podem se acomodar na fileira? c) sabendo que B e C são um casal e irão sentar um ao lado do outro, de quantas formas diferentes então o grupo poderá se sentar?

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Cinco pessoas (A, B, C e D) vão a um concerto e existem 5 lugares em fila para se sentarem. Sabendo...
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