Problemas de ingenio para Segundo Ciclo de Secundaria

Original work publishes in this journal is subject to the following terms:

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2.  Work is published in the electronic edition under a license (Creative Commons Reconocimiento-NoComercial-SinObraDerivada 4.0 España (legal text). They can be copied, used, disseminated, transmitted and publicly presented, as long as: i) authorship and original publication source is acknowledged (journal, publishing house and URL of the work); ii) are not used for commercial purposes; iii) the existence and specifications of this use license is stated.

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