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[不等式] 求解“折绳子”原理

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word3000 Posted 2016-7-16 07:47 |Read mode

谁知道“折绳子”原理在解绝对值不等中的应用？麻烦解释一下，谢谢

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kuing Posted 2016-7-16 13:27

没听过

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isee Posted 2016-7-16 18:50

我也不知道说的什么定理，不过，估计是强脱绝对值，画图象

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