[tex]\displaystyle\bf\\\frac{18}{6-\sqrt{27} } :\frac{2}{\sqrt{28-16\sqrt{3} } } =\frac{18}{6-\sqrt{9\cdot 3} }:\frac{2}{\sqrt{16 - 2\cdot4\cdot 2\sqrt{3} +12 } } =\\\\\\=\frac{18}{6-3\sqrt{3} }:\frac{2}{\sqrt{(4-\sqrt{12} )^{2} } } =\frac{18}{3\cdot(2-\sqrt{3} )} \cdot\frac{|4-\sqrt{12} |}{2} =\\\\\\=\frac{6}{2-\sqrt{3} } \cdot\frac{4-2\sqrt{3} }{2} =\frac{6}{2-\sqrt{3} } \cdot(2-\sqrt{3} )=6[/tex]
Ответ:
фото
Объяснение:
врун
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[tex]\displaystyle\bf\\\frac{18}{6-\sqrt{27} } :\frac{2}{\sqrt{28-16\sqrt{3} } } =\frac{18}{6-\sqrt{9\cdot 3} }:\frac{2}{\sqrt{16 - 2\cdot4\cdot 2\sqrt{3} +12 } } =\\\\\\=\frac{18}{6-3\sqrt{3} }:\frac{2}{\sqrt{(4-\sqrt{12} )^{2} } } =\frac{18}{3\cdot(2-\sqrt{3} )} \cdot\frac{|4-\sqrt{12} |}{2} =\\\\\\=\frac{6}{2-\sqrt{3} } \cdot\frac{4-2\sqrt{3} }{2} =\frac{6}{2-\sqrt{3} } \cdot(2-\sqrt{3} )=6[/tex]
Ответ:
фото
Объяснение:
врун