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original poster: aaa

[不等式] 请教一题

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敬畏数学

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敬畏数学 posted 2017-11-19 14:09
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是的，那就要解三次方程了。
所以我越来越觉得这类题没意思，本质涉及高次方程，必须有好数据 ...
kuing 发表于 2017-10-11 11:19
这话很经典。看来也是只能这样，猜到1或2，让后一堆的XXXXX解法，哈哈！
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