6 + 10 3 − 2 2 + 4 = (6 + 10) − [(3 − 2) + (2 + 5)] = 6 + 10 − [3 + 2 + 4 − 2] = 6 + 10 − [5 + 3] = 6 + 10 − 5 − 2 = + 8 + 8