不等式(Proving some geometric inequalities by using complex numbers byTitu An...

hylpy

不等式(Proving some geometric inequalities by using complex numbers byTitu Andreescu and Dorin Andrica)
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数学1+1

hylpy ：
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任在申

需要看全贴！

人间谪仙

。。。。。。。。。谢谢