Question

алгебра помогите плиз​

Answer 1

Ответ:

b(a+b)/(a-b)(a+b)=b/(a-b)

(5-m)(5+m)/m(5-m)=(5+m)/m

7y/7y(y+1)=1/(y+1)

3a(a-4)/(a-4)(a+4)=3a/(a+4)

m(1-m)/m(n-1)=(1-m)/(n-1)