Question

2) 4(2m – 0,9) – (8m – 0,2), якщо m = 0,219. ​

Answer 1

Ответ:

$8m - 3.6 - 8m + 0.2 = 0.8 \times 0.219 - 3.4 - 8 \times 0.219 = 0.1752 - 3.4 - 0.1752 = -3,4$

Answer 2

$4(2m - 0.9) - (8m - 0.2) = \\ 8m - 3.6 - 8m + 0.2 = \\ - 3.4$