琴生不等式 证明f[(x1+x2+...+xn)/n]≥1/n*[f(x1)+f(x2)+...+f(xn)]看着证吧,我能看懂就行.别告诉我用均值不等式,我刚看到均值不等式就是用琴生不等式证的oiljdljdio 你的回答可真是口语化,个性
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![琴生不等式 证明f[(x1+x2+...+xn)/n]≥1/n*[f(x1)+f(x2)+...+f(xn)]看着证吧,我能看懂就行.别告诉我用均值不等式,我刚看到均值不等式就是用琴生不等式证的oiljdljdio 你的回答可真是口语化,个性](/uploads/image/z/10084359-39-9.jpg?t=%E7%90%B4%E7%94%9F%E4%B8%8D%E7%AD%89%E5%BC%8F+%E8%AF%81%E6%98%8Ef%5B%28x1%2Bx2%2B...%2Bxn%29%2Fn%5D%E2%89%A51%2Fn%2A%5Bf%28x1%29%2Bf%28x2%29%2B...%2Bf%28xn%29%5D%E7%9C%8B%E7%9D%80%E8%AF%81%E5%90%A7%2C%E6%88%91%E8%83%BD%E7%9C%8B%E6%87%82%E5%B0%B1%E8%A1%8C.%E5%88%AB%E5%91%8A%E8%AF%89%E6%88%91%E7%94%A8%E5%9D%87%E5%80%BC%E4%B8%8D%E7%AD%89%E5%BC%8F%2C%E6%88%91%E5%88%9A%E7%9C%8B%E5%88%B0%E5%9D%87%E5%80%BC%E4%B8%8D%E7%AD%89%E5%BC%8F%E5%B0%B1%E6%98%AF%E7%94%A8%E7%90%B4%E7%94%9F%E4%B8%8D%E7%AD%89%E5%BC%8F%E8%AF%81%E7%9A%84oiljdljdio+%E4%BD%A0%E7%9A%84%E5%9B%9E%E7%AD%94%E5%8F%AF%E7%9C%9F%E6%98%AF%E5%8F%A3%E8%AF%AD%E5%8C%96%EF%BC%8C%E4%B8%AA%E6%80%A7)
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