Question

упростите выражения

Answer 1

$1) - xyz$
$2)0.8ab \times ( - 3) = - 2.4ab$
$3) - mn \times ( - 5k) = 5mnk$
$4)abcd$
$5)2.4x \times ( - 20y) = - 48xy$
$6) \frac{1}{4} ab \times ( - \frac{4}{5} c) = - \frac{ 1}{5} abc$