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[不等式] 最值问题,系数怎么用待定系数解 |
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Comment确实,而且这个四次方程更难瞪了,看来平常还得培养下数感:(
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isee=freeMaths@知乎
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Author|
极光永明
Posted 2023-6-10 21:10
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Comment明白了😀
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