 lalalllaaaallllalala 
                                                29.04.2020 07:48
                                                
                                                lalalllaaaallllalala 
                                                29.04.2020 07:48
                                             nara01072003 
                                                29.04.2020 07:48
                                                
                                                nara01072003 
                                                29.04.2020 07:48
                                             madhinamelinova 
                                                29.04.2020 07:48
                                                
                                                madhinamelinova 
                                                29.04.2020 07:48
                                             katya041411 
                                                29.04.2020 07:48
                                                
                                                katya041411 
                                                29.04.2020 07:48
                                             leanna1982 
                                                29.04.2020 07:48
                                                
                                                leanna1982 
                                                29.04.2020 07:48
                                             yana07072005 
                                                29.04.2020 07:48
                                                
                                                yana07072005 
                                                29.04.2020 07:48
                                             tatpolli8 
                                                29.04.2020 07:48
                                                
                                                tatpolli8 
                                                29.04.2020 07:48
                                             sashafedorishyn 
                                                29.04.2020 07:48
                                                
                                                sashafedorishyn 
                                                29.04.2020 07:48
                                            
2)3*(12-5)=36-15
3)(8-6m)*11=88-66m
4)(15+а)*4=60+4a
1)5(а+2)+7(а+10)=5a+10+7a+70=12a+80
2)4(b+3)+2(8-b)=4b+12+16-2b=2b+28