Предмет: Математика, автор: sofadubrovskaa10

помогите пожалуйста ​

Приложения:

Ответы

Автор ответа: ENDERGINA
1

Ответ:

30d+30c+64d-15c=94d+15c

(30d+64d=94d

30c-15c=15c)

564b+26a-26b=538b+26a

(564b-26b=538b)

717b-84b+88c=633b+88c

(717b-84b=633)

34d+34c+42d=76d+34c

(34d+42d=76d)

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