Vamos deixar um pouco a seriedade de lado e que tal algumas piadas hã?
(Fonte: https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmyz1RSbGNSv_HfKU9azrD3alOVj9squzD7p2KNWUfTnWJTczXkY5wxwOlByFPpTpjkeL76Bl0tfjfPBXAH8l7DneF97nGcnush63CZLCecSjp7Pul9IFdI7ba5-u-3kLiI1zJ-FH-KJwj/s1600/sei-lah.jpg)
(Fonte: https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidZV0IWtiggpmhzmhsUxvKAZffM48OAIdmWBJLC1B8VWl5hDvIO9G_XQZtudbOE7jed95ucSEnohM-49mUr6mBLG-gxK5zbQn0XzzPyr_QrTP-exOAgBHxzhNKw1ayZFUHEm-LI6SNX3Ec/s320/matematica.jpg)
MATEMÁTICA APLICADA!
(Fonte: https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6XM4u4S0sz92GHq0dHCFpjBUH_IlpRDk284xvhbrMdYQjrUrwXb-rIPj_n8YdZEPU1ImsYyQhm-VwpH15uEunpSKqcoEchhZfqOuj7U5JHsfyChNeHEvMZv2qR6sE-cI3U5ftpf2FdjI-/s1600/matematica-aplicada.jpg)
(Fonte: http://www.educacional.com.br/upload/blogSite/6111/6111492/17620/piada.gif)