Efectuati:
[tex] \frac{10 \sqrt{3} }{7} \times ( \frac{3}{ \sqrt{12} } + \frac{2}{ \sqrt{75} } + \frac{3}{2 \sqrt{48} } - \frac{21}{5 \sqrt{27} } = \\ \\ ( - \frac{3 \sqrt{6} }{28} ) \div ( \frac{5}{ \sqrt{24} } + \frac{19}{7 \sqrt{6} } - \frac{5}{ \sqrt{150} } - \frac{2}{ \sqrt{384} } ) = \\ \\ \: [( \frac{12}{2 \sqrt{45} } - \frac{9}{3 \sqrt{20} } + \frac{1}{4 \sqrt{80} } ) \times ( \sqrt{5} ) ^{3} ] \div ( \frac{3 \sqrt{5} }{4} ) ^{2} = [/tex]