Report copyright - IDEAS PARA EL AULA - CICAthales.cica.es/epsilon/sites/thales.cica.es.epsilon/... · 2017-07-03 · (20 + 3)2 = 20x20 + 20x3 + 3x20 + 3x3 = 400 + 60 + 60 +9 = 529 Hay que destacar
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