Algunos psicos para ir practicando ...

[pompiliano]

http://www.temasytest.com/trivial/trivial_0015.php
http://www.temasytest.com/trivial/trivial_0010.php
http://www.temasytest.com/trivial/trivial_0011.php
http://www.temasytest.com/trivial/trivial_0016.php
http://www.temasytest.com/trivial/trivial_0014.php
http://www.temasytest.com/trivial/trivial_0013.php
http://www.temasytest.com/trivial/trivial_0012.php
http://www.temasytest.com/trivial/trivial_0037.php
http://www.temasytest.com/trivial/trivial_0052.php
http://www.temasytest.com/trivial/trivial_0062.php
http://www.temasytest.com/trivial/trivial_0069.php