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Автор - leb19682007

пж помогите найти 7целых 7/30 -(5целых 11/30-y)=​

Ответ

Автор - tatsach

Ответ:

Пошаговое объяснение:

7 7/30 -(5целых 11/30-y)=​7 7/30-5 11/30+у=у-1 13/15

Ответ

Автор - 04092007elise

7 frac{7}{30}  - (5 frac{11}{30}  - y)

 frac{217}{30}  - ( frac{161}{30}  - y)

 frac{217}{30}  -  (frac{161}{30}  + y)

Ответ: 28/15 + y

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