65 enem2009 prova1

  

     

    



                                                                                                                                                                                                                

                                                                                                                                                                                

                                            _{    }                                 __                                                                                                                                                                                      

                                                                                                                                                                                                                                                                              

                                                                                                                                              _{}_{}          _                    _{}_

                                                                                                                                                                                                          