Buscas alternativas:
mechanical counter » mechanical acoustic (Expandir a busca), mechanical control (Expandir a busca), mechanical contact (Expandir a busca)
mechanical counter » mechanical acoustic (Expandir a busca), mechanical control (Expandir a busca), mechanical contact (Expandir a busca)
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Assuntos:
“...Mechanical counter...”
Materiais de ensino e os saberes elementares matemáticos, Sergipe (1911-1931)
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