Question

Помогите плиз даю 100 баллов

Answer 1

Ответ:

3/7

Объяснение:

.................

Answer 2

Ответ:

3/7

Объяснение:

((t²-5t+25)*(5t+1)t/((5t-1)(5t+1)(t+5)(t²-5t+25))-(t+5)/t(5t-1))*t(t+5)/7-

-(25t+22)/7(1-5t)=(t/(5t-1)(t+5)-(t+5)/t(5t-1))t(t+5)/7-(25t+22)/7(1-5t)=

=((-10t-25)/(5t-1)(t+5)t)t(t+5)/7-(25t+22)/7(1-5t)=

=(-25-10t)/7(5t-1)+(25t+22)/7(5t-1)=3(5t-1)/7(5t-1)=3/7