Question

exepreção numérica 12-{5+[2×16-(3+7)]-15}

Answer 1

$\mathtt{12-\{5+[2~.~16-(3+7)]-15\} } \\ \mathtt{12-\{5+[32-10]-15\} } \\ \mathtt{12-\{5+22-15\} } \\ \mathtt{12-\{27-15\} } \\ \mathtt{12-\{12\} } \\ \mathtt{12-12 } \\ \mathtt{0} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta : 0}}}$