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Автор - Cindir

1) -3,6/0,9 2) -0,75 : 1 8/17 3) 2236 : (-0,8) . Найдите значение выражения. Помогите пожалуйуста

Ответ

Автор - Reideen

1)

  frac{ - 3.6}{0.9}  =  -  frac{3.6}{1}  div  frac{9}{10}  =  -  frac{3.6}{1}  times  frac{10}{9}  =  \  =  -  frac{36}{9}  =  - 4

2)

 - 0.75 div 1 frac{8}{17}  =  -  frac{75}{100}  div   frac{25}{17}  =  \  =  -  frac{75}{100}  times  frac{17}{25}  =  -  frac{51}{100}   =  - 0.51

3)

2236 div ( - 0.8) = 2236 div ( -  frac{8}{10} ) =  \  = 2236 times ( -  frac{10}{8} ) =  -  frac{22360}{8}  =  - 2759

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