Автор - albina691

4 целых 5/14+(5 целых 1/12-3 целых 4/21) помогите пожалкйста"

Ответ

Автор - SlowSnow
4 frac{5}{14} + (5 frac{1}{142 - 3 frac{4}{21} ) = 4 frac{5}{14} + ( frac{61}{12} -  frac{67}{21} ) =  frac{61}{14} -  frac{3}{21} =  frac{177}{42} = 4 frac{9}{42}

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