Question

СРОЧНО УПРОСТИТЕ ВЫРАЖЕНИЕ

Answer 1

Объяснение:

=5(y-3)/x(x-y) +(x-y) * (x-y)/(y-4)(y-3) * (y-4)/5

=5(y-3)/(x+1)(x-y) * (x-y) /(y-4)(y-3) * (y-4)/5

=5/(x+1)