Question

0,7:25;7,9:316;543,4:143;40,005:127

Answer 1

0.70  :  25                  900     : 316                   400      : 143              40.005     :  127

------------------         -----------------                   -----------------              ----------------------------

   50        0.022          632          0.022             286           0.022         381                     0.315

   50                           632                                286                               190

-------                        --------                          -----------                            127

     0                               0                                    0                          -----------

                                                                                                                635

                                                                                                                635

                                                                                                              ---------

                                                                                                                    0