 synnjhcx 
                                                27.11.2021 18:39
                                                
                                                synnjhcx 
                                                27.11.2021 18:39
                                             sargsyana524 
                                                27.11.2021 18:40
                                                
                                                sargsyana524 
                                                27.11.2021 18:40
                                             safeon 
                                                27.11.2021 18:43
                                                
                                                safeon 
                                                27.11.2021 18:43
                                             MDMOD1 
                                                27.11.2021 18:45
                                                
                                                MDMOD1 
                                                27.11.2021 18:45
                                             AleksangraJarasyova 
                                                27.11.2021 18:45
                                                
                                                AleksangraJarasyova 
                                                27.11.2021 18:45
                                             745632189 
                                                27.11.2021 18:46
                                                
                                                745632189 
                                                27.11.2021 18:46
                                             nikoleller 
                                                27.11.2021 18:48
                                                
                                                nikoleller 
                                                27.11.2021 18:48
                                            
10+5=15
5+2=7
8+2=10
15-7=8
15-8=7
10-5=5
15-5=10
15-10=5
7-2=5
7-5=2
10-8=2
10-2=8
2+8=10
5+2=7
15+5=10*2
7*8=15*2+10+8
15:5=10-7
15-5=8+2
10:2=7-2