ENEM20091ºdia

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

(3)

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

(4)

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

(5)

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

(6)

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

(7)

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