 Alekskarpov 
                                                17.12.2020 15:00
                                                
                                                Alekskarpov 
                                                17.12.2020 15:00
                                             polinaserdiuk4 
                                                17.12.2020 15:00
                                                
                                                polinaserdiuk4 
                                                17.12.2020 15:00
                                             Zahardenicuk 
                                                17.12.2020 15:00
                                                
                                                Zahardenicuk 
                                                17.12.2020 15:00
                                             asino20145 
                                                17.12.2020 15:00
                                                
                                                asino20145 
                                                17.12.2020 15:00
                                             fil3853tima 
                                                17.12.2020 15:00
                                                
                                                fil3853tima 
                                                17.12.2020 15:00
                                             burdyugova48 
                                                17.12.2020 15:01
                                                
                                                burdyugova48 
                                                17.12.2020 15:01
                                             AlexWhite472 
                                                17.12.2020 15:01
                                                
                                                AlexWhite472 
                                                17.12.2020 15:01
                                             Malayalam 
                                                17.12.2020 15:01
                                                
                                                Malayalam 
                                                17.12.2020 15:01
                                            
2)х=12/29:15/29=12/29*29/15=4/5
3)2х=7/8-3/4=7/8-6/8=1/8
х=1/8:2=1/16