Question

{[56. (-2)] /4 + [(-16) + (-15). (-2) – (-45) / (-3)]}. (-3)

Answer 1

((56*(-2))/4+((-16)+(-15)*(-2)-(-45)/(-3)))*-3

(-112)/4+(-16-15*-2+45/-3)*-3

-112/4+(-16+30-15)*-3

-28+(14-15)*-3

-28+(-1)*-3

-28-1*-3

-28+3

-25