Neocijenjeno
Feb. 23, 2016, 1:29 p.m. (10 years, 6 months)
Official solution
Neka su a,b,c pozitivni realni brojevi takvi da je a+b+c\leqslant3. Odredite najmanju moguću vrijednost izraza \frac{a+1}{a(a+2)}+\frac{b+1}{b(b+2)}+\frac{c+1}{c(c+2)}.
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