Question

{13+[5-6×(18-4×3-÷2)÷3]×(4+6÷3)}-(6+3×2)=×

Answer 1

{13+[15-6*(18-4*3:2):3]*(4+6:3)}-(6+3*2)=x

{13+[15-6*(18-12:2):3]*(6)}-(12)=x

{13+[15-6*(12):3]*(6)}-(12)=x

{13+[15-6*12:3]*(6)}-(12)=x

{13+(-9)*(6)}-(12)=x

{13-9*6}-(12)=x

-41-12=x

X=-53

Espero ter ajudado... abraços.