 TinaAkh 
                                                17.04.2020 13:54
                                                
                                                TinaAkh 
                                                17.04.2020 13:54
                                             Ларкия 
                                                17.04.2020 13:54
                                                
                                                Ларкия 
                                                17.04.2020 13:54
                                             qaz160904 
                                                17.04.2020 13:54
                                                
                                                qaz160904 
                                                17.04.2020 13:54
                                             A1my 
                                                17.04.2020 13:54
                                                
                                                A1my 
                                                17.04.2020 13:54
                                             eerihovp08oqz 
                                                17.04.2020 13:53
                                                
                                                eerihovp08oqz 
                                                17.04.2020 13:53
                                             Minasyan99 
                                                17.04.2020 13:54
                                                
                                                Minasyan99 
                                                17.04.2020 13:54
                                             kolesya2 
                                                17.04.2020 13:54
                                                
                                                kolesya2 
                                                17.04.2020 13:54
                                             maks722 
                                                17.04.2020 13:54
                                                
                                                maks722 
                                                17.04.2020 13:54
                                             Dmitro222 
                                                17.04.2020 13:54
                                                
                                                Dmitro222 
                                                17.04.2020 13:54
                                            
1) 6 7/45-4 7/20 = 5 52/45 - 4 7/20 = 1 29/36
(52/45 - 7/20 = 208/180 - 63/180 = 145/180 = 29/36)
2) 9 1/21-5 16/63 = 9 3/63 - 5 16/63 = 8 66/63 - 5 16/63 = 3 50/63