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Solución sistema de ecuaciones 2x2 por la Regla de Cramer. Ejercicio 7 de 15

Serie de problemas de álgebra elemental sobre la solución de un sistema de ecuaciones 2x2 por la Regla de Cramer (método de determinantes). Problema número 7 de quince ejercicios propuestosTareasplus ahora disponible para iphone: http://goo.gl/Iu53c ipad: http://goo.gl/QXC6r Android: http://go ...

Child's play: Toddlers and infants smart enough to handle iPads, confirms US study

Jul 06, 2015    

Washington: Toddlers as young as one-year-old are turning tech-savvy and can use a tablet, but require help to access apps, according to a study conducted by University of Iowa researchers, who studied more than 200 YouTube videos of infants and toddlers using iPads.By age two, 90% of the children in the videos had a moderate ability to use a tablet, according to Juan Pablo Hourcade, associate professor of computer science in the UI College of Liberal Arts and Sciences and lead author of the study. "Just over 50% of 12-to-17-month-old children in the videos had a moderate ability," H...

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