✨ 最佳解答 ✨ えだまめ🫛 10個月以前 (1-√3i)³ = (1-√3i)(1-√3i)(1-√3i) = (1-2√3i+3i²)(1-√3i) = (-2-2√3i)(1-√3i) = -2 -2√3i + 2√3i + 6i² = -2-6 = -8 こうです🫛 留言