Resolução de problemas de geometria

Considere o cubo cm $4$ cm de aresta representado na figura 24 de Outubro de 2012
O mesmo cubo com $4$ cm de aresta 24 de Outubro de 2012
Um cubo com $4$ cm de aresta 24 de Outubro de 2012
Cortes produzidos num tetraedro 23 de Outubro de 2012
Considere o cubo 23 de Outubro de 2012
Questões sobre um cubo 22 de Outubro de 2012

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