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Member Since: Apr 11, 2013
Total # Questions Provided: 2
Total # Answers Provided: 0
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11
2013
Questão de matemática, prova amanhã
considere o numero x e faça com ele as seguintes operações sucessivas: multiplique por 2, some 1, multiplique por 3 e subtraia 5. se o resultado for 220, o valor de x é:a)um nº primo, b)um nº par...
abr
11
2013
Questão de matemática, números inteiros.
em uma prova de 25 questões, cada acerto vale +3 e cada erro vale-2 pontos. obtive 50 pontos, a diferença entre o número de acertos e o numero de erros é quanto? Estou para fazer uma prova e não...
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