Question

ajudem mim:
{[(10+20-)8×2-]5-2]}
{[30-8×3-]5-2]}
{22×3-5-2}
66-5-2
61-2
59??

Answer 1

{[(10+20)-8×2]-5-2]}
{[30-16]-7]}
{14-7}
7

Answer 2

Boa noite

{ [ (10 + 20) - 8*2] -5 - 2 ] }

(10 + 20 - 16) - 5 - 2 = 

14 - 7 = 7