Ответ сверху..........
[tex]\displaystyle\bf\\\frac{(4^{5}\cdot 16^{-8} )^{2} }{64^{-7} } =\frac{\Big[4^{5} \cdot(4^{2} )^{-8} \Big]^{2} }{(4^{3} )^{-7} } =\frac{(4^{5} \cdot 4^{-16} )^{2} }{4^{-21} } =\\\\\\=\frac{(4^{-11} )^{2} }{4^{-21} } =\frac{4^{-22} }{4^{-21} }=4^{-22-(-21)} =4^{-22+21} =4^{-1} =\frac{1}{4} =0,25[/tex]
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Ответ сверху..........
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[tex]\displaystyle\bf\\\frac{(4^{5}\cdot 16^{-8} )^{2} }{64^{-7} } =\frac{\Big[4^{5} \cdot(4^{2} )^{-8} \Big]^{2} }{(4^{3} )^{-7} } =\frac{(4^{5} \cdot 4^{-16} )^{2} }{4^{-21} } =\\\\\\=\frac{(4^{-11} )^{2} }{4^{-21} } =\frac{4^{-22} }{4^{-21} }=4^{-22-(-21)} =4^{-22+21} =4^{-1} =\frac{1}{4} =0,25[/tex]
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