 sms29889855 
                                                29.11.2020 13:49
                                                
                                                sms29889855 
                                                29.11.2020 13:49
                                             ConyaMiMiMi 
                                                29.11.2020 13:48
                                                
                                                ConyaMiMiMi 
                                                29.11.2020 13:48
                                             butchenko02 
                                                29.11.2020 13:48
                                                
                                                butchenko02 
                                                29.11.2020 13:48
                                             LOLOLON2015 
                                                29.11.2020 13:47
                                                
                                                LOLOLON2015 
                                                29.11.2020 13:47
                                             hetag15 
                                                29.11.2020 13:39
                                                
                                                hetag15 
                                                29.11.2020 13:39
                                             yasmina143 
                                                29.11.2020 13:39
                                                
                                                yasmina143 
                                                29.11.2020 13:39
                                             Romanzadacha2 
                                                29.11.2020 13:36
                                                
                                                Romanzadacha2 
                                                29.11.2020 13:36
                                             SweetCandy23228 
                                                29.11.2020 13:36
                                                
                                                SweetCandy23228 
                                                29.11.2020 13:36
                                             shevchal 
                                                29.11.2020 13:35
                                                
                                                shevchal 
                                                29.11.2020 13:35
                                            
11,5864+1,6552=12n
0,4136n=1,6552
n=4
C₄H₁₀