08:02:09	 From  Sílvia Helena de Araujo Nicolai : Bom dia!!
08:23:12	 From  Prof Alexandre Mendes : 0,000000001
09:38:05	 From  Thaiane villas chuff : então quando que a achar a tolerania não pode fazer a soma rapidoo
09:38:33	 From  Thaiane villas chuff : isso
13:13:54	 From  Prof Alexandre Mendes : https://www.calculadoraonline.com.br/derivadas
15:01:49	 From  Prof Alexandre Mendes : al.mendes@gmail.com
15:02:53	 From  Thaiane villas chuff   to   Prof Alexandre Mendes(Direct Message) : rsrs verdade
17:03:34	 From  Prof Alexandre Mendes : al.mendes@gmail.com