Question

найдите значение выражения 3 7/9-142/9

Answer 1

$3 \frac{7}{9}- \frac{142}{9}$
$\frac{34}{9}- \frac{142}{9}$
$\frac{34-142}{9}$
$\frac{-108}{9}$
$-12$

Answer 2

3 7/9–42/9=34/9-42/9= -8/9