Автор - Milanaabilov

Как решить пример (1/8+2/9-1/4)*5 1/7:(7/9-2/3+1/6)

Ответ

Автор - Аккаунт удален

( frac{1}{8} +  frac{2}{9} -  frac{2}{8}  ) *  frac{36}{7} : ( frac{7}{9} -  frac{6}{9} +  frac{1}{6}  ) = ( frac{2}{9} -  frac{1}{8}  )  *  frac{36}{7} : ( frac{1}{9} +  frac{1}{6}  ) =

( frac{16}{72} -  frac{9}{72}  ) *  frac{36}{7} : ( frac{2}{18} +  frac{3}{18}  ) =  frac{7}{72} *  frac{36}{7} *  frac{18}{5} =  frac{36}{72} *  frac{18}{5} =  frac{9}{5} = 1 frac{4}{5}

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