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[编程技巧] 一个三次函数求解之后如何只返回实根 |
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发表于 2009-11-13 15:12
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回复 板凳 zhaozhao0726 的帖子
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帮忙看看求解三次函数的语句
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发表于 2009-11-14 20:15
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