Question

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Answer 1

$( \sqrt{3})^{5} :(- \sqrt{3^{3} }) -3* \sqrt{0,(3)}*( \frac{1}{ \sqrt{3} })^{-3} = \\ \\ =9 \sqrt{3}:(- \sqrt{3})-3* \frac{ \sqrt{1} }{ \sqrt{3} }*( \sqrt{3})^{3} = \\ \\ = -\frac{9 \sqrt{3} }{3 \sqrt{3} } - \frac{3}{ \sqrt{3} } *3 \sqrt{3} = \\ \\ =-3-3*3=-3-9=-12.$


$[ \sqrt{6561}* \frac{-3,4(1)}{-27,9}-( \frac{4}{3})^{-2} *0,(4)]*(- \frac{6}{ \sqrt{7} })^{2}* \frac{1}{10}= \\ \\=[81* \frac{ \frac{307}{90} }{ \frac{279}{10} } -( \frac{3}{4})^{2}* \frac{4}{9} ]* \frac{36}{7} * \frac{1}{10}= \\ \\=(81* \frac{307}{90}* \frac{10}{279}- \frac{9}{16} * \frac{4}{9})* \frac{36}{70}= \\ \\=(81* \frac{307}{2511}- \frac{1}{4})* \frac{18}{35} = \\ \\ =( \frac{307}{31} - \frac{1}{4})* \frac{18}{35}= \\ \\= \frac{1228-31}{124} * \frac{18}{35}= \\ \\=\frac{1197}{124} * \frac{18}{35}=$

$=\frac{171}{62}* \frac{9}{5} = \frac{1539}{310}.$

/robertinni