Question

Решите пожалуйста пример

Answer 1

$-2 \frac{1}{3}$

Answer 2

$0,8= \frac{8}{10}$
$-2 \frac{1}{30} = -\frac{61}{30}$
$\frac{8}{10} - \frac{1}{6} - \frac{61}{30} = \frac{8*6-1*10-61*2}{60} = \frac{48-10-122}{60} = \frac{-84}{60} = -\frac{14}{10} = -1,4$