Question

* {[(-1-2-3):1-81 ]-[-2 +1-313. 1-6+5) ²] + (-4)3 =​

Answer 1

Repetindo:

{[(-1-2-3)/1-81]-[(-2+1-313.1-6+5)^2]}+(-4).3

{[(-6)-81] - [ (-315)^2]} +(-4).3

{[-87] - [97969]} -12

{ -87 - 97969} -12

-98056 -12

-98068

Bons estudos.