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Member Since: Jan 15, 2014
Total # Questions Provided: 2
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jan
15
2014
Matematica porcentagem e regra de tres.
Caro amigo(a), matemático: Bianca contratou um buffet para oferecer um jantar , no buffet há dois pratos com valores diferentes, um A custa 20 reais um B custa 30, houve um desconto de 10 porcentos...
jan
15
2014
Matematica sobre porcentagem e regra de tres.
Caro amigo(a), matemático: Bianca contratou um buffet para oferecer um jantar , no buffet há dois pratos com valores diferentes, um A custa 20 reais um B custa 30, houve um desconto de 10 porcentos...
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