求证a^3+b^3+c^3>=a^2b+b^2c+c^2a(a>0,b>0,c>0)加起来以后右边怎么化简的?a^2b+b^2c+c^2a 是大于ab^2+bc^2+ca^2的呀!右边加起来明显不一样,是 a^2b+b^2c+c^2a+ab^2+bc^2+ca^2,你看清楚平方的位置是不同的....2楼
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![求证a^3+b^3+c^3>=a^2b+b^2c+c^2a(a>0,b>0,c>0)加起来以后右边怎么化简的?a^2b+b^2c+c^2a 是大于ab^2+bc^2+ca^2的呀!右边加起来明显不一样,是 a^2b+b^2c+c^2a+ab^2+bc^2+ca^2,你看清楚平方的位置是不同的....2楼](/uploads/image/z/2528432-8-2.jpg?t=%E6%B1%82%E8%AF%81a%5E3%2Bb%5E3%2Bc%5E3%3E%3Da%5E2b%2Bb%5E2c%2Bc%5E2a%28a%3E0%2Cb%3E0%2Cc%3E0%29%E5%8A%A0%E8%B5%B7%E6%9D%A5%E4%BB%A5%E5%90%8E%E5%8F%B3%E8%BE%B9%E6%80%8E%E4%B9%88%E5%8C%96%E7%AE%80%E7%9A%84%EF%BC%9Fa%5E2b%2Bb%5E2c%2Bc%5E2a+%E6%98%AF%E5%A4%A7%E4%BA%8Eab%5E2%2Bbc%5E2%2Bca%5E2%E7%9A%84%E5%91%80%EF%BC%81%E5%8F%B3%E8%BE%B9%E5%8A%A0%E8%B5%B7%E6%9D%A5%E6%98%8E%E6%98%BE%E4%B8%8D%E4%B8%80%E6%A0%B7%EF%BC%8C%E6%98%AF+a%5E2b%2Bb%5E2c%2Bc%5E2a%2Bab%5E2%2Bbc%5E2%2Bca%5E2%EF%BC%8C%E4%BD%A0%E7%9C%8B%E6%B8%85%E6%A5%9A%E5%B9%B3%E6%96%B9%E7%9A%84%E4%BD%8D%E7%BD%AE%E6%98%AF%E4%B8%8D%E5%90%8C%E7%9A%84....2%E6%A5%BC)
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