Question

Resolva essa expressão:

-15-[-(2^2)+5:(-5)-15+5. (+4)]

Answer 1

$- 15-( -( {2}^{2})+ 5 \div ( - 5) - 15 + 5( + 4))$
$- 15 - ( - (4) + 5 \div - 5 - 15 + 20)$
$- 15 - ( - 4 +( - 1) - 15 + 20$
$- 15 - (- 4 - 1 + 5)$
$- 15 - ( - 5 + 5)$
$- 15 - (1)$
$- 15 - 1$
$- 16$