[tex]\large { \ {\boxed { \begin{array}{lr} {(-1)-(-1)+(-2)=}\\\\{-1+1-2=} \\ \\ {-3+1=}\\\\\boxed{\red{ \: \: -2 \: \: }} \rm \ { \Leftrightarrow} \ Resposta \\ \end{array}}}}[/tex]
