Question

{ 30 + [ 10 + 5 + ( 2-3) ] -18 -12}
​

Answer 1

14

Cálculo:

{ 30 + [ 10 + 5 + (2-3) ] -18 -12}

{ 30 + [ 10 + 5 + (-1) ] -18 -12}

{ 30 + [ 15 + (-1) ] -18 -12}

{ 30 + [ 14 ] -18 -12}

{ 44 -18 -12}

{ 26 - 12}

14.