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26-05-2013 - 16:53
Giải bất phương trình: $\sqrt{{{x}^{2}}+\left( 1-\sqrt{3} \right)x+2}+\sqrt{{{x}^{2}}+\left( 1+\sqrt{3} \right)x+2}\le 3\sqrt{2}-\sqrt{{{x}^{2}}-2x+2}.$