Practicas del Primer Parcial

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2.-http://tinyurl.com/7mmyaak
3.-http://tinyurl.com/7bxdtfh
4.-http://tinyurl.com/7x478jf
5.- -nada-
6.-http://tinyurl.com/6una9b3
7.-http://tinyurl.com/6qbbnfw
8.-http://tinyurl.com/6pnbo3x
9.-http://tinyurl.com/75jsnvb
10.-http://tinyurl.com/6pqb6qo