Sum = (−1 + 0 + 1 + 2 + 3 + 4 + 5 + 6) = 20. - AMAZONAWS The Surprising Math Behind Sum = (−1 + 0 + 1 + 2 + 3 + 4 + 5 + 6) = 20 📅 March 6, 2026 👤 scraface Mar 06, 2026