Question

Помогите плиз!!! Сократете дробь ​

Answer 1

1)   $\frac{8a^4b}{4a^3b^4}=\frac{2a^{4-3}}{b^{4-1}}=\frac{2a}{b^3}$

2)   $\frac{8a+8b}{2a+2b} =\frac{8*(a+b)}{2*(a+b)} =4$

3)   $\frac{x^{2} y^3+x^3y^2}{x^{2} y^2}= \frac{x^{2} y^2(y+x)}{x^{2} y^2}=x+y$

4)    $\frac{4(a-b)^2}{2a-2b}= \frac{4(a-b)(a-b)}{2(a-b)}=2(a-b)=2a-2b$