Question

(14 ÷ 2) − {5 + [7 ∗ (2 − 4) + 5] + (6 − 11)}

Answer 1

Divide: 14 / 2 = 7

resta: 2 - 4 = -2

Multiple: 7 * 2 = 7 * (-2) = -14

Añade : 5 + 4 = 5 + (-9) = -4

añade:   5 + the result of step No. 6 = -4 + (-5) = -9

resta: 1 -  7 = 7 - (-9) = 16