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Mathematics, 18.03.2021 02:20 dessssimartinez6780
Uma bruxa possui uma coleção de bolsas mágicas. Uma delas é uma bolsa transparente que duplica
o seu conteúdo a cada minuto, até ficar cheia. No horário de 14:00, ela colocou uma esfera azul nessa
bolsa, conforme ilustrado na primeira figura abaixo. Às 14:01 havia duas esferas, às 14:02 havia quatro,
às 14:03 havia oito, às 14:04 havia dezesseis esferas e assim sucessivamente.
Se a bolsa ficou cheia no horário de 15:00, a que horas estava exatamente pela metade?
a) 14:30.
b) 14:45.
c) 14:56.
d) 14:49.
URGENTE
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Answers: 2
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Uma bruxa possui uma coleção de bolsas mágicas. Uma delas é uma bolsa transparente que duplica
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