Question

Представьте в виде рациональной дроби

Answer 1

г
2(y-6)/(y-5)(y+5) *(y²-6y+y)/(y-6)=2y(y-5)/(y-5)(y+5)=2y/(y+5)
д
(a²-x²=x²)/(a+x)*(a-x)/a=a(a-x)/(a+x)
е
(4b²-y²-3y²)/(2b-y) * 3(2b-y)/b(b+y)=2(b-y)/b