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[函数] 一个函数题3

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转化与化归 Posted at 2013-9-25 17:57:48 |Read mode
函数零点.jpg
本题画图很容易得到结论,纯代数证明怎么写呢?

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其妙 Posted at 2013-9-25 18:15:41
回复 1# 转化与化归
帮你把原题和解析传过来,这样别人就有资料解决你的问题了
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