Question

-4-{2+[-3-(-1+7)]-13}-5

Answer 1

$Resolu\c{c}\~ao \to \left\{\begin{array}{ccc}-4-\{2+[-3-(-1+7)]-13\}-5 = \\\\-4-\{2+[-3-(6)]-13\}-5 = \\\\-4-\{2+[-3-6]-13\}-5=\\\\-4-\{2-9-13\}-5=\\\\-4-\{-20\}-5 = \\\\-4+20-5 = \\\\11\end{array}\right$

Espero ter ajudado. =^.^=