[Toán 9] Đại số

F

flames.of.desire

[TEX] = \frac{2(\sqrt{8}-\sqrt{3})}{\sqrt{6}(\sqrt{3}-\sqrt{8} } - \frac{\sqrt{5} + \sqrt{27}}{\sqrt{6}(\sqrt{5}+\sqrt{27}} [/TEX]
[TEX] = \frac{-2}{\sqrt{6}} - \frac{1}{\sqrt{6}} [/TEX]
[tex] = \frac{-3}{\sqrt{6}} [/tex]
[tex] = \frac{-\sqrt{6}}{2} [/tex]
 
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