Legrande Legrande
  • 16-08-2017
  • Mathematics
contestada

Three boys and four girls have bought tickets for a row of 7 seats at a movie. In how many ways can they arrange themselves in the seats?

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lucasssantos13ousixz lucasssantos13ousixz
  • 16-08-2017
Pode ser feito em 49 maneiras
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