Question

ПОМОГИТЕ ПОЖАЛУЙСТА НУЖНО ПОДРОБНО!!!!​

Answer 1

• a/3t-6 - a/10t-20 = a/3(t-2) - a/10(t-2) = 7a/30(t-2) = 7a/30t-60

Answer 2

Ответ:

$\displaystyle \frac{a}{3t-6}-\frac{a}{10t-20}=\frac{a}{3(t-2)}-\frac{a}{10(t-2)}=\frac{10a-3a}{30(t-2)}=\frac{7a}{30(t-2)}$