Question

−200х5у9 ∙ (0,6ху−4)2 при x = 2, y = - 1.
Срочно!!!
Дам 20баллов

Answer 1

$- 200 {x}^{5} {y}^{9} {(0.6xy - 4)}^{2} = 200 \times {2}^{5} \times {( - 1.2 - 4)}^{2} = 6400 \times {5.2}^{2} = 6400 \times 27.04 = 173056$