Предмет: Алгебра, автор: galmuhambetovaalua

Пожалуйста помогите. Буду блогодарна сразу спасибо тем кто помок мне

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Автор ответа: aploaosos

Відповідь:

ответ 3а+1-2а+3/а+b= а+4/а+b

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