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1.2.1.1 均值不等式及其直接应用(一轮) ​

板书 ​

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注意 ​

  • 注意必须满足“一定,二正,三等”
    • 定:和或积为定值
    • 正:a 和 b 均为正数
    • 等:去等条件能否成立

课件 ​

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例题 ​

1 ​

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2 ​

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3 ​

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5 ​

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6 ​

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7 ​

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8 ​

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9 ​

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10 ​

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