一道简单的数学题
看到@矢作萌夏 在主区发的贴子，我很感兴趣，于是随手再原创了一道题。很简单，路过的葱油不妨试试。
现在时间不早了，我先去睡觉，明天看到有人做出来了，我就点评一下。
已知1<a1<a2<a3，求证：
（a1-1）a3/(a1+a2)-a1^2/(a2+a3)+1/2>0
现在时间不早了，我先去睡觉，明天看到有人做出来了，我就点评一下。
已知1<a1<a2<a3，求证：
（a1-1）a3/(a1+a2)-a1^2/(a2+a3)+1/2>0
25 个评论
>>in the principle, such a system is form of the tyr...
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https://baraag.net/@nsfbek