1:(2 × (3 + 13)) - 82:2 × (3 + 13) - 83:(2 × (13 + 3)) - 84:2 × (13 + 3) - 85:(3 + 13) × 2 - 86:((3 + 13) × 2) - 87:(13 + 3) × 2 - 88:((13 + 3) × 2) - 8老了不死；不少把