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[不等式] 2014贵州预赛

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wzxsjz posted 2014-7-14 12:29 |Read mode
Last edited by wzxsjz 2014-7-21 15:53$a,b,c\in[0,1]  , \frac{a}{bc+1}+\frac{b}{ca+1}+\frac{c}{ab+1}$的范围为?

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爪机专用 posted 2014-7-14 12:40
请将题目打准确
I am majia of kuing

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青青子衿 posted 2014-7-14 21:34
回复 2# 爪机专用
2014年全国高中数学联赛贵州赛区初赛试题 
(考试时间:6月28日)
wenku.baidu.com/link?url=RYRl8TQ7G2ZzbS3_ALJZ … hXystmgmeBbsnGw0jWnq

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其妙 posted 2014-7-14 22:09

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其妙 posted 2014-7-14 22:11
回复  爪机专用
2014年全国高中数学联赛贵州赛区初赛试题 
(考试时间:6月28日)
...
青青子衿 发表于 2014-7-14 21:34
第6题:blog.sina.com.cn/s/blog_54df069f0102uwfd.html
第10题:blog.sina.com.cn/s/blog_54df069f0102uw7v.html

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reny posted 2014-7-17 20:13

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