Răspuns:
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Bună,
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[tex] \frac{2}{ \sqrt{12} } - \frac{15}{5 \sqrt{3} } + \frac{9}{ \sqrt{27} } = \\ \frac{2}{2 \sqrt{3} } - \frac{3}{ \sqrt{3} } + \frac{9}{3 \sqrt{3} } = \\ \frac{1} {\sqrt{3} } - \frac{3 \sqrt{3} }{3} + \frac{3}{ \sqrt{3} } = \\ \frac{ \sqrt{3} }{ 3 } - \sqrt{3} + \frac{3 \sqrt{3} }{3} = \\ \frac{ \sqrt{3} }{3} - \sqrt{3} + \sqrt{3} = \\ \pink{ \frac{ \sqrt{3} }{3} } [/tex]
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Sper că te-am ajutat
