Question

Como resolver essa expressão 3-{2+(11-15)-[5+(-3+1)]+8}?

Answer 1

$3- \{2+(11-15)-[5+(-3+1)]+8\}\\3-\{2+(-4)-[5+(-2)]+8\}\\3-\{2-4-[5-2]+8\}\\3-\{-2-3+8\}\\3-\{-5+8\}\\3-3\\\\\boxed{\boxed{0}}$