Question

Expressao numerica 60÷{2.[-7+18÷(-3+12)]}

Answer 1

$60\div\{2.[-7+18÷(-3+12)]\}$

$60\div\{2.[-7+18÷9]\}$

$60\div\{2.[-7+2]\}$

$60\div\{-10\}=-6$

$\boxed{\boxed{\mathsf{60\div\{2.[-7+18÷(-3+12)]\}=-6}}}$