Cho abc=1. CM: a/(a+b^4+c^4)+b/(b+c^4+a^4)+c/(c+a^4+b^4)<=1 Question Cho abc=1. CM: a/(a+b^4+c^4)+b/(b+c^4+a^4)+c/(c+a^4+b^4)<=1 0 Môn Toán Adela 4 years 2020-10-28T19:45:12+00:00 2020-10-28T19:45:12+00:00 0 Answers 44 views 0
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