{7+[93-(28-3×9)×2]×4}-360=?

Răspuns :

{7+[93-(28-27)•2]•4}-360=
{7+(93-1•2)•4}-360=
{7+(93-2)•4}-360=
(7+91•4)-360=
(7+364)-360=
371-360=11.
{7+[93-(28-3×9)×2]×4}-360=
{7+93-(28-27)×2]×4}-360=
7+[(93-1×2)×4]-360=
7+[(93-2)×4]-360=
7+91×4-360=
371-360=11