Question

Como resolver : {17-[30-(10+12)]}×[(-5)+(8-13)]=?

Answer 1

{17-[30-(10+12)]}×[(-5)+(8-13)]
{17-[30-(+22)]}×[(-5)+(-5)]
{17-[30-22]}×[-5-5]
{17-[12]}×[-10]
{17-12}×[-10]
{5}×[-10]
-50