Cho a,b thuộc [2007;2008]. Tìm min $\frac{a+b}{ab^{2}}(a^{2}+b^{2})$
Cho a,b thuộc [2007;2008]. Tìm min $\frac{a+b}{ab^{2}}(a^{2}+b^{2})$
Started By Sudden123, 07-12-2017 - 22:15
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