Предмет: Математика, автор: lolamama

520-х=20×9 решите уровнение

Ответы

Автор ответа: stanleo14
4

Ответ:


Пошаговое объяснение:

520-x=180

-x=180-520

-x=-340

x=340

Автор ответа: ayshatusmanova
4

Ответ:340


Пошаговое объяснение:

520-x=180

X=520-180

X=340

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