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
>>Maybe the artist is just good at drawing. But I do...
You know, if we do research on sex and objectively learn how it works, maybe no sexual desire is needed to create this kind of works.