$0<a\leq b\leq c\leq 9 ,b+c\leq 13; a+b+c=14$
Tìm min Q=$\sqrt{a}+\sqrt{b}+\sqrt{c}$
Edited by tpdtthltvp, 15-05-2016 - 23:01.
Tìm min Q=$\sqrt{a}+\sqrt{b}+\sqrt{c}$
Started By xuantungjinkaido, 15-05-2016 - 22:42
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