Question

8m-8n/9n-9m сократить алгебраическую дробь

Answer 1

$\dfrac{8m-8n}{9n-9m}= \dfrac{8(m-n)}{-9(m-n)}=- \dfrac{8}{9}$

Answer 2

8(m-n) / 9( n-m) ; 8(m-n)/ - 9(m-n) ; - 8/9