Question

-14-{-9-[15-(16+31)]-[-12+(-8-7)]}

Answer 1

Explicación paso a paso:

-14-{-9-[15-(47)]-[-12+(-15)]}

-14-{-9-[15-47]-[-12-15]}

-14-{-9-[-32]-[-27]}

-14-{-9+32+27}

-14+9-32-27

-14-32-27+9

-74+9

-65