ejercicios

http://docs.google.com/View?id=ddfwvwd6_61cp9n2rc4

http://docs.google.com/View?id=ddfwvwd6_63cvg87zdp

http://docs.google.com/View?id=ddfwvwd6_653pjfz7fx

http://docs.google.com/View?id=ddfwvwd6_67gv6txnc3

http://docs.google.com/View?id=ddfwvwd6_69dqh9t5dh

http://docs.google.com/View?id=ddfwvwd6_71gc2cfc87

http://docs.google.com/View?id=ddfwvwd6_73fxf69bgx

http://docs.google.com/View?id=ddfwvwd6_75x63tc7dm

http://docs.google.com/View?id=ddfwvwd6_77dpc5v9dp

http://docs.google.com/View?id=ddfwvwd6_78fzjk9rf6

http://docs.google.com/View?id=ddfwvwd6_82hp3pzsdw

http://docs.google.com/View?id=ddfwvwd6_83c433t4jk

http://docs.google.com/View?id=ddfwvwd6_85fpxsg8gx