摘要: Problem Let a, b, c be positive real numbers such that a + b + c = 3. Prove that \frac{a}{b^2 + 2} + \frac{b}{c^2 + 2} + \frac{c}{a^2 + 2} \ge 1. Sol. 阅读全文
posted @ 2026-01-10 10:24 LW_S 阅读(9) 评论(1) 推荐(0)