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Автор - Rako1

Я точно не уверен в N7 помогите

Ответ

Автор - ShumikK
 frac{0.15-0.15*6.4}{ -frac{3}{8}+0.175 } = frac{0.15-0.96}{ -frac{3}{8}+ frac{175}{1000}}= frac{-0.81}{ -frac{25*3}{1000}+ frac{175}{1000}}= frac{-0.81}{ frac{-375+175}{1000}}= frac{-0.81}{ -frac{200}{1000}}= frac{0.81}{0.2}=4.05

 frac{0.45-0.45*3.4}{1 frac{1}{2}-1.1 } = frac{0.45-1.53}{1.5-1.1}= frac{-1.08}{0.4}=-2.7

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