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Member Since: Mar 05, 2013
Total # Questions Provided: 2
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mar
7
2013
Razão e Proporção questão de concurso
Os corredores A, B e C levam 8, 15 e 20 minutos respectivamente para completar uma volta em uma pista de atletismo. Se eles partem simultaneamente de um mesmo ponto inicial, em quanto tempo eles se encontrarão...
mar
6
2013
Pergunta relativa ao tema de Razão e Proporção
questão aplicada numa prova de ensino medio sobre razão e proporção....nao encontrei nenhuma resposta plausivel ate agora, consultei e pesquisei em varios livros.... a resposta da questão é 7500...
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