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[不等式] 接地气的几何并不一定会比抽象的代数好,但可以练思维

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活着&存在 Posted 2015-5-28 21:05 |Read mode
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 Author| 活着&存在 Posted 2015-5-28 21:19
用不等式知识解决最大值或最小值问题时可以说是绝对靠得住;然而在解决值域问题时,对于中间那些值是否都能取到,有时会显得并不那么可靠。

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