                                   !  "  "     " !" #$  !" %  "&!  "  ’# ()* !" ! &!   " ! !#)  "  " #"    + " ,- $  "   %  "&!  " . !" !"  %  "&!  /"   !#0 %!  %/  #  "  !   !1 %! 2!  ",  %/  %  "&!    " %",- ! #  !  ’# ()* # " % !#1   !!2!  ! %" %! "  !#"   ",  %/ 3!     !  ’# ()*) 45  "" %" !" "  !       #,-0 !   !# !" #$  ,-)  !" !   !#,-   &! %60 #!" !"   "   " %",-    !  %  " /,- !#  0   " !    % $   !"  !#   3 %67  !#  " ,-   !  ’# ()*)  !60 " %/ !"      " !  ,- 3!  " " !,- !  #0 !8 " ,  %6-  %",-) 9! !"  # !#  ’# ()* !" "  %",-  &!  %  "&! "#5"     # 6!    %) !"#$% #,-0 !,- "&!0 ’# ()*) &’!()* 4 ,- !3! 5  : 3 6+! ;"  %  !  #+!)  " ! " "    !  %",-  !"!,- -   "  0   " !" 5  " %!  !"6)  !6   "  !  %",-  !"!,- <=>0  !  +   !  " %6- !!   0 5"  " ! %!    ,-    #" XVI ENDIPE - Encontro Nacional de Didática e Práticas de Ensino - UNICAMP - Campinas - 2012 Junqueira&Marin Editores Livro 3 - p.005013