106, 78 - 4, 7 * 21, 4 - 5, 4 =[(2, 3 - 0, 5) * (3, 71 - 2, 7)] / 2, 5 + 0, 25 =(3, 12 - 0, 13) / 2, 3 + 4 * (3 + 2, 1 * 3, 2) =3 * [2, 1 - (3, 5 - 2, 7)] + 2 / 0, 5 =?
106, 78 - 4, 7 * 21, 4 - 5, 4 = [(2, 3 - 0, 5) * (3, 71 - 2, 7)] / 2, 5 + 0, 25 = (3, 12 - 0, 13) / 2, 3 + 4 * (3 + 2, 1 * 3, 2) = 3 * [2, 1 - (3, 5 - 2, 7)] + 2 / 0, 5 =.