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Member Since: Mar 31, 2013
Total # Questions Provided: 2
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mar
31
2013
Como chegar ao cálculo dessa questão?
Gabriel e Giovane são dois irmãos gêmeos que têm o hábito de escolher a mesma cor para os pares de meia que vão calçar. Assim, por exemplo, se um deles, em certo dia, usa meias pretas, o outro...
mar
31
2013
Como resolver essa questão de regra de três simples?
Para pintar um prédio, 7 homens trabalharam por 6 dia. A partir de então, para que o serviço de pintura terminasse mais rapidamente, foram contratados mais 7 homens com a mesma força de trabalho...
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