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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 ...

Ape for apps: Young orangutans in US zoo love watching videos and playing with iPads

Apr 07, 2015    

The young orangutan reaches his hand through the cage and rubs his knuckles over an iPad, drawing wide colors across the screen with his favorite app.A few minutes later, Mahal presses his face up against the mesh, stretches out his long tongue and taps the screen to make it light up and play his favorite song, "Twinkle, Twinkle Little Star."Soon Mahal and the two other orangutans at the Milwaukee, Wisconsin county zoo will be able to use their iPad for something even more exciting: "play dates" with orangutans at other zoos and wildlife preserves.They're already fascinated...

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