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songoku112


cho a+b+c=3.a,b,c>0
CM mềnh đề sau đúng: [TEX]\frac {bc} sqrt{a^2+3}[/TEX]+[TEX] \frac{ac} sqrt{b^2+3} [/TEX]+[TEX]\frac{ab} sqrt{c^2+3}[/TEX] \leq 3/2
CM mềnh đề sau đúng: [TEX]\frac {bc} sqrt{a^2+3}[/TEX]+[TEX] \frac{ac} sqrt{b^2+3} [/TEX]+[TEX]\frac{ab} sqrt{c^2+3}[/TEX] \leq 3/2
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