Предмет: Математика, автор: ggaben23

помогите срочно объясните​

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Ответы

Автор ответа: holovataolya48
0

Ответ:

запиши под одной чертой дроби и сктроты 7-х

Пошаговое объяснение:

сверху и снизу сократить 7-х ответ 1

Автор ответа: Tina1701
0

Ответ:

Пошаговое объяснение:

\frac{(7-x)* ( a-b)}{( a+b)* ( 7-x)} = \frac{a-b}{a+b}

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