证明:1、(a4+b4)(a2+a2)>(a3+a3)2(a≠b,ab≠0)(是A的四次方的意思,后边的也是,我在WORD打时明明就是上标形式的,复制到这里就变形了……2.a+(a-b)b/1≥3(a>b>0)函数y=(2+x)(1+x/1)(x>0)的最小值是若|a+b||b|
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![证明:1、(a4+b4)(a2+a2)>(a3+a3)2(a≠b,ab≠0)(是A的四次方的意思,后边的也是,我在WORD打时明明就是上标形式的,复制到这里就变形了……2.a+(a-b)b/1≥3(a>b>0)函数y=(2+x)(1+x/1)(x>0)的最小值是若|a+b||b|](/uploads/image/z/8945670-30-0.jpg?t=%E8%AF%81%E6%98%8E%EF%BC%9A1%E3%80%81%28a4%2Bb4%29%28a2%2Ba2%29%3E%28a3%2Ba3%292%28a%E2%89%A0b%2Cab%E2%89%A00%29%28%E6%98%AFA%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%E7%9A%84%E6%84%8F%E6%80%9D%2C%E5%90%8E%E8%BE%B9%E7%9A%84%E4%B9%9F%E6%98%AF%2C%E6%88%91%E5%9C%A8WORD%E6%89%93%E6%97%B6%E6%98%8E%E6%98%8E%E5%B0%B1%E6%98%AF%E4%B8%8A%E6%A0%87%E5%BD%A2%E5%BC%8F%E7%9A%84%2C%E5%A4%8D%E5%88%B6%E5%88%B0%E8%BF%99%E9%87%8C%E5%B0%B1%E5%8F%98%E5%BD%A2%E4%BA%86%E2%80%A6%E2%80%A62%EF%BC%8Ea%2B%28a-b%29b%2F1%E2%89%A53%28a%3Eb%3E0%29%E5%87%BD%E6%95%B0y%3D%282%2Bx%29%281%2Bx%2F1%29%28x%3E0%29%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E6%98%AF%E8%8B%A5%EF%BD%9Ca%2Bb%EF%BD%9C%7Cb%7C)
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