 Арендатор84 
                                                23.02.2020 18:46
                                                
                                                Арендатор84 
                                                23.02.2020 18:46
                                             maxcarleson1 
                                                23.02.2020 18:44
                                                
                                                maxcarleson1 
                                                23.02.2020 18:44
                                             Sobakopes 
                                                23.02.2020 18:42
                                                
                                                Sobakopes 
                                                23.02.2020 18:42
                                             zhalamine 
                                                23.02.2020 18:40
                                                
                                                zhalamine 
                                                23.02.2020 18:40
                                             Nastya77777778 
                                                23.02.2020 18:40
                                                
                                                Nastya77777778 
                                                23.02.2020 18:40
                                             nataliinfp0co9o 
                                                23.02.2020 18:39
                                                
                                                nataliinfp0co9o 
                                                23.02.2020 18:39
                                             kristina5171 
                                                23.02.2020 18:39
                                                
                                                kristina5171 
                                                23.02.2020 18:39
                                             angelok8408 
                                                23.02.2020 18:37
                                                
                                                angelok8408 
                                                23.02.2020 18:37
                                             Unicorn536 
                                                23.02.2020 18:35
                                                
                                                Unicorn536 
                                                23.02.2020 18:35
                                            
1) 10xy²-2xz²=2x(5y²-z²)
2)9y²-y⁴=(3y-y²)(3y+y²)=y²(3-y)(3+y)
3)xy⁴-y⁴+xy³-y³=y⁴(x-1)-y³(x-1)=(x-1)(y⁴-y³)=y³(y-1)(x-1)
4)(6a-1)(6a+1)-(12a-5)(3a+1)=36a²-1-36a²+3a+5=3a+4
3*0.2+4=0.6+4=4.6