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João Ferreira

Portugal

Publications

Contando triãngulos


November 28, 2011

Resolve


November 21, 2011

Histórias matemáticas


November 21, 2011

Simetria


November 21, 2011

Resolve...


November 21, 2011

Figuras geométricas


November 21, 2011

Cria e calcula


November 21, 2011

Sistema Solar


November 21, 2011

tarefas matemática


November 21, 2011