Educar em Revista
ISSN: 0104-4060
[email protected]
Universidade Federal do Paraná
Brasil
Almouloud, Saddo Ag
As transformações do saber científico ao saber ensinado: o caso do logaritmo
Educar em Revista, núm. 1, 2011, pp. 191-210
Universidade Federal do Paraná
Paraná, Brasil
Disponível em: http://www.redalyc.org/articulo.oa?id=155019936013
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f IIR + o IIR +* u
f a + b = f a u f b
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1. Quatro números reais positivos e não nulos a, b, c, d dizem-se em
proporção geométrica se, e somente se ad = bc
2.
Quatro números reais a, b, c, d são em proporção aritmética se, e
somente se a + d = E + c .
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IN f nn = n
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