Question

Найдите значение выр-я

Answer 1

$\frac{8}{-1.5} - \frac{4}{5*(-1.5)}\\\frac{40}{-7.5} - \frac{4}{-7.5} = \frac{40-4}{-7.5} = \frac{36}{-7.5} =-4.8$

Answer 2

$\frac{8}{x}- \frac{4}{5x}= \frac{8*5-4}{5x}= \frac{36}{5x}\\\\\frac{36}{5*(-1,5)}=- \frac{36}{7,5}=-4,8$