Question

3.(-3)+8 Ajudem-me!!

Answer 1

3.{-3}+8=
-9+8=-1
resposta: -1

Answer 2

$\large\textsf{Vamos L\'a:}$

$\boxed{\large\textbf{Express\~oes N\'umericas.}}$

------------------------------------------------------------------------------------------------------
$\large\mathsf{Dicas:}$

$\large\mathsf{+\ com\ + = +}$
$\large\mathsf{+\ com\ - = -}$
$\large\mathsf{-\ com\ - = +}$
$\large\mathsf{-\ com\ + = -}$
------------------------------------------------------------------------------------------------------

$\large\mathsf{3*(-3)+8}$

$\large\mathsf{\ (-9+8)}$
$\large\mathsf{\ (-1)}$

$\boxed{\large\mathsf{=-1}}$

Espero Ter Ajudado!!!
Bons Estudos!!!
;D